Java application programs are written, compiled and run locally on your computer. ESBProgCalc Pro - Programmers Calculator 2. Delta X, or the change in X, is equivalent to X(final) - X(initial). The Love Calculator provides a score from 0% to 100% that is meant to be an indication of a match in terms of love, based on the names of two people. Calculate the rate of price inflation between two dates using one of our inflation rate calculators. Operations on sets calculator This calculator is an online tool to find find union , intersection , difference and Cartesian product of two sets. To understand this material, you need to have a basic, working knowledge of Java 8 (lambda expressions, Optional, method references). Make Calculator. Chaptalization calculator finds how much sugar to add to your must to hit the desired Brix. To learn the basics of inheritance refer this tutorial: Inheritance in Java. Tristanne Connolly, Department of English, St. You can see the current math calculations in a smaller display that is below the main display of the calculator. You can compare EMIs for different loans using the EMI calculator. Enter number: 45. Java program to calculate salesperson commission. Percentage is a number expressed as a fraction of 100. We want to find the number of moles of each element in order to determine the ratios of the elements and the formula. You can use the previously inputted formulas. Keep on reading for a step-by-step explanation of how to calculate percentages. Personally, for most calculations I just move the decimal point 2 places in my head and type the decimal equvalent of the percentage directly in & therefore do not use the % button at all. And I want to calculate the Average Time for each column. Attendance percentage is defined as the percentage of daily attendance you had given for the academic year. Tool to compute roundings (integers, decimals, to multiple). Below you will find the java code for calculator along with the screenshot. Calculator Use. I cant seem to find much help googling this thing and am stuck so any input would make me eternally in your debt lol. It will also generate a step by step explanation for each operation. Use this Ideal Body Weight Calculator to calculate your ideal body weight (IBW) in pounds or kilograms, based on your height and your gender. 0 CalcNote 4 4. 15 In this simple example it’s not too bad, but you can imagine a more complex program or calculation where having to update both identically would risk bugs. You can even determine the impact of any principal prepayments! Press the "Report" button for a full yearly or monthly amortization schedule. - Calculate sales * incentive = commission (if sales is 80% met)/ if not no incentive - Calculate total compensation = commission + salary. I believe the target. This java program code will be opened in a new pop up window once you click pop-up from the right corner. You can select the whole java code by clicking the select option and can use it. Time Clock Wizard offers free time card calculators and payroll software that can create daily and weekly time sheet reports, including breaks, for free. How can we use it in QA (Software Testing). , let the percentages convert directly to grams), let's assume we have 100 g of cassiterite. But Sam measures 0. The SalesPerson class has to have two people for an Array/Array List comparison So I would have to label them SalesPerson1 and SalesPerson2, correct? Then do a set() and get() for each one of them. To calculate the grade of a student on the basis of his/her total marks in Java Programming, you have to ask to the user to enter the marks obtained in some subjects (5 subjects here), then calculate the percentage and start checking for the grades to display the grade on the output screen. This is a Fisher exact test calculator for a 2 x 2 contingency table. BigInteger formatting. Recursive Formulas Used with permission from Dave's Math Tables Formula Derivations - (High School +) Derivations of area, perimeter, volume and more for 2 and 3 dimensional figures. The Income Tax Department NEVER asks for your PIN numbers, passwords or similar access information for credit cards, banks or other financial accounts through e-mail. Enter number: 45. The weighted grade is equal to the sum of the product of the weights (w) in percent (%) times the grade (g):. Advertisements. So either way you think about it or calculate it, 30% of 6 is 1. Math is power. brucelindbloom. High win percentages and low loss percentages represent success while low win percentages and high loss percentages show failure. It’s easy to calculate the interest you earn, especially when you use free spreadsheets or online calculators. Find what percent is a number out of a second number? Example: find out what percent is 7 out of 300. The future of live TV with 70+ channels. To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. The browser can recognize the URL in standard ASCII format; especially the URI reserved character set should be used for their intended purpose only. Learn more about tipping in different areas of the world, or explore hundreds of other calculators involving math, fitness, finance, health, and more. The 5th root of 1,024 is 4, as 4 x 4 x 4 x 4 x 4 is 1,204. This calculator is designed to help you estimate your Internet data usage based on your online activities. Cancel anytime. A simple way to calculate the sum and average of values in an array. This method returns the string representation of the passed argument. The Impedance is the hypotenuse of the triangle, the adjacent side is the True Power, and the opposite side is the Reactive Power. Enter values separated by commas such as 1, 2, 4, 7, 7, 10, 2, 4, 5. Lilly Campbell author of Program to calculate average of numbers given by user using while loop is from Toronto, Canada. How often interest is compounded is significant, because the more often money is added to the account, the greater the overall amount of interest earned. Calculates principal, principal plus interest, rate or time using the standard compound interest formula A = P(1 + r/n)^nt. To calculate Power Factor correction, first use the Pythagorean Theorem to find the Impedance from the Real Power and the Reactive Power. 73, but let's say the rate your bank offers is 63. If the Basic Salary is less than or equal to 10000 then HRA = 8% of the basic, and DA = 10% of. Java Program to Calculate the Power of a Number In this program, you'll learn to calculate the power of a number with and without using pow() function. 26+/- acres of woods. Step Three: Use the slope equation to calculate slope. Questions? Refer to our Poker Hand Calculator FAQ page. It teaches dieters how to calculate their calorie needs (just like our calculator does above) as well as how many grams of carbs, fat, and protein (macros) they should be eating each day for weight loss. Enter prepayment amounts to calculate their impact on your mortgage. In this case Java is being smart on our behalf, automatically converting the double to a String before it does the string concatenation. Remember that a line segment is the portion of a straight line that directly connects two given points. By definition, percentage is a fraction or ratio expressed as part of 100. This Java Example shows how to find largest and smallest number in an array. Random rand = new Random(); Double pickedNumber = rand. com/iPhone/ColorConv. 5000 with the interest rate of 10% per annum and the time period of 5 years. So, 55 percent of 300 is 165. Need a simple and nice feeling Java Applet math calculator? Click here. including over eighty percent of the worldâ⠬⠢s top. 99) Calzy 3 takes a neat approach to calculator apps with a "Memory Area" for quickly saving and labeling calculations, variables and other bits of data that you might want to. Contact: [email protected] I want to take a List of jobs (called resultStream) and calculate the percentage of jobs that were completed fully. Verner Fischer author of Program to calculate gross salary, deduction, net salary of an employee is from Frankfurt, Germany. Let's look at our comparison table again. If you want to get the hash of a file in a form that is easier to use in automated systems, try the online md5sum tool. The only restriction is the power of your computer! CalcNote 4 v. com/iPhone/ColorConv. Calculate the NPV (Net Present Value) of an investment with an unlimited number of cash flows. Use our calculator to estimate how many yards of carpet you need for the area you plan to carpet. You can calculate the percentage change in X in two ways. I have a little problem in my java application. Random() This new pseudorandom-number generator is used thereafter for all calls to this method and is used nowhere else. 5 (a decimal number). It is calculated in schools and colleges to estimate the students attendance for the class at the end of every academic year to grade them. It's going to be 1. Decide the number of columns you want in a row & set the margin you want to use. Add two fractions together - powered by WebMath. If user enters value of n above 100 or below 100 then,. The annual maximum for 2019 is $19,000. The next issue you'll run into is that some of your percentages might look like 24. To calculate your GPA, divide the total number of grade points earned by the total number of letter graded units undertaken. Percent to decimal conversion. Calculator Use. Let's say that points (15, 8) and (10, 7) are on a straight line. nextDouble(); Running that, will result in pickedNumber being some double between 0 and 1. Annual Rate of Return Calculator Know how your money will grow in your investment. 0 comes as a calculator and a notepad in one that can emulate a usual desktop calculator and standard Notes. What percent is one number of another number this we will discuss here. The next step is to calculate the relative amounts of materials you should combine to achieve your moisture goal. I'm easy to use and artfully designed to do things better than your desktop calculator ever did. To do this, add up all the numbers in a data set and divide by the total number of pieces of data. Investment Property Calculator - Real Estate: Free Android app (4. if ladder executes a block of code among many blocks. This is the mean of the data set. I believe the target. Created a method to calculate Team with most wins and winning percentage Tag: java , class , linked-list I'm learning how to utilize Linked lists in my second semester Java class. Percent of year remaining. username:[email protected] Optional. Calculator which comes with Windows OS does the calculations from left to right but BODMAS Calculator does Calculations following BODMAS Rule and this is the basic difference between this Calculator and Windows default Calculator ,with this it also supports bracketed calculations. I have a little problem in my java application. Also learn how to easily convert a decimal into a percentage and vice versa. Loading Unsubscribe from Intact Abode? In this video i show how to calculate percentage in java with simple example. Our hours calculator is designed to provide general guidance and estimates. The term percentage or symbol % is used. 6 released, a few new methods - getTotalSpace(), getUsableSpace() and getFreeSpace(), are bundled with java. 33 GPA Scale. Enter values separated by commas such as 1, 2, 4, 7, 7, 10, 2, 4, 5. There are nine JButtons to represent the numbers 1 to 9, and three JButtons for addition, subtraction and totaling the result. If you want to get the hash of a file in a form that is easier to use in automated systems, try the online md5sum tool. To make a simple calculator in Java Programming which performs the basic four mathematical operations i. In addition to that, allows unit conversion, and date calculation. , 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */ import java. Grade items will be weighted as follows: 1. So far, the total of hours in the year is 8760 (365 * 24). Want to know if the digits in a date are sequential, repetitive, or can be read the same way forwards and backwards? Use the Date Pattern Calculator to find out unique and interesting mathematical patterns in different date formats. It measures the nominal future sum of money that a given sum of money is "worth" at a specified time in the future assuming a certain interest rate, or more generally, rate of return; it is the present value multiplied by the accumulation function. another thing is that I need to put the code for calculating percentage into a non-main method which I have already. Now multiply that decimal by the amount of the principal (which is $10,000 in our example) to get the interest. com's Fraction to Decimal Number Calculator is an online basic math function tool to convert fraction to decimal numbers. It does basic calculations, and works to the best of my knowledge. Advertisements. If you have any windows or doors in your wall, you can use the more detailed exterior wall framing calculator. Percentage is a number expressed as a fraction of 100. Jan 12, 2010 · A custom class loader is needed when the developer needs to load classes from some custom repositories, to implement hot deployment features. You may enter information for up to 10 samples collected for this employee during a single work shift. Linear Regression Formula. 9999999999999% instead of 25%. Input loan amount, interest rate, number of payments and financing fees to find the APR for the loan. Example, total=1,100 and you need to find percent. Percent of number calculator will give you the answer, it's 3. It’s easy to calculate the interest you earn, especially when you use free spreadsheets or online calculators. The formula for finding percentages is to divide part of the whole quantity by the whole quantity and then multiply by 100 percent. Use this Ideal Body Weight Calculator to calculate your ideal body weight (IBW) in pounds or kilograms, based on your height and your gender. All you have to do is plug in the original price in dollars of the item and the percentage the item is discounted. As an example, for a large-framed woman standing 6 feet tall: IBW = 100 + (12 X 5) = 160 pounds. Learn how understanding and being able to calculate percentages can help you when shopping and when reading test scores. Note: These air mile distances are approximate and are based on data provided by various outside sources. I have two maps of String with long , I want to calculate percentage by comparing one map value with another map value. In addition to that, allows unit conversion, and date calculation. Our calculator requires you to enter the current percentage grade that you currently have for that course, as well as the weight of the final exam as a percentage value. 5% then Grand Total = 10 + (10 * 8. Questions? Refer to our Poker Hand Calculator FAQ page. Send this message. midterm counts for 25% 3. You would find the percent change between two percentages by using the same procedure that you would for finding it between any two numbers: 1. DISCLAIMER: The MySQL TCO Savings Calculator is intended to provide an example of your potential savings based on your input, and is provided "as is. Javascript is required for this calculator. Created a method to calculate Team with most wins and winning percentage Tag: java , class , linked-list I'm learning how to utilize Linked lists in my second semester Java class. Calculate the mean or average of each data set. The calculations and formulas (press the '?' button) are calculated automatically as you type! Learn the basics of percentages: How to Calculate Percentages. If the exponent of the result would be larger than Double. percent increase between two numbers? Problem solved with Calculate Percent Increase. The body mass index calculator measurement is the calculation of your body weight in relation to your height and is commonly used as an indicator of whether you might be in a risk category for health problems caused by your weight. For other statistics parameters see our mean, median and mode calculator or statistics calculator. It's because the Unsafe ASCII characters in the URL is encoded to % followed by hexadecimal code. With that is. Job Description for Epsilon - Chennai To Bangalore - Java with Bigdata - 7th September in EPSILON Bangalore in Bengaluru/Bangalore for 5 to 10 years of experience. Then you can use the variable only within that method. For the time being … if you are interested in a body fat percentage calculator there are a few good ones out there on the internet:-Calculator. Java EE is targeted for applications which run on servers. 5% - how to. A data type is a set of values and a set of operations defined on those values. Special rule to determine all other cases An example of recursion is Fibonacci Sequence. How To Add, Subtract, Multiply And Divide Fractions Article Category: Math | While some people might be breathing deeply into a paper bag at the thought of calculating with fractions , if you understand each step and why it's necessary, it can become a piece of cake. The decimal form of 25 percent is. The batting average is the standard measure that has been used to compare batters ever since the early. File to retrieve the partition or disk space detail. , addition, subtraction, multiplication, and division, use the switch case to identify the input operator to perform required calculation and then display the result on the screen as shown in the following program. How do you calculate cost if you know the Selling price and gross profit percentage? Selling Price times (1 - Gross Profit % as a decimal) So, if your selling price is $20 and your gross profit is. ESBProgCalc Pro - Programmers Calculator 2. It's because the Unsafe ASCII characters in the URL is encoded to % followed by hexadecimal code. I cant seem to find much help googling this thing and am stuck so any input would make me eternally in your debt lol. If you needed to determine your grade on say a 5. Simple and best practice solution for 20% of 20000. 0 GPA Scale and 4. A reduction in value will always result in a higher percentage change than will an addition in value. This debt payoff. Java Program to Calculate Average Percentage Marks of a student. You can select the whole java code by clicking the select option and can use it. In babies and young children, different percentages are used because the ratio of the combined surface area of the head and neck to the surface area of the limbs is typically larger in children than that of an adult(See table below). Period class. Using standard values, using command line arguments, inputs through scanner class and user-defined method. Learn the basics of how to calculate percentages of quantities in this easy lesson! To find a percentage of any number, use this generic guideline of TRANSLATION: Change the percentage into a decimal, and the word "of" into multiplication. Step 2: Divide 32 and 0. Percent of year remaining. java is a small standalone program that simply prints Peace on Earth! to your console (computer screen). A General Fibonacci Number Calculator version 3. I personally think it could be more modular, maybe put those huge loops in functions or something. What I need to work out from this is what hour this would represent in a day. com/iPhone/ColorConv. What is the slope of this line? Step One: Identify two points on the line. Step-1: We will develop a test using TestNG. To subtract 25 percent from a price of $20, first convert 25 percent into a decimal. The only restriction is the power of your computer! CalcNote 4 v. Calculate Basal Metabolic Rate (BMR) online (Harris Benedict Equation) Your Basal Metabolic Rate (BMR is the amount of calories you would burn if you were asleep all day. File to retrieve the partition or disk space detail. 8 Basic arithmetic keys, parentheses 10 Percent 11 Inverse, square, cube, xth power of y, square root, cube root, xth root of y 12 10 to the power of x, common logarithm 13 e to the power of x, natural logarithm 14 Factorials 15 Permutations, combinations 16 Time calculation 17 Fractional calculations 18 Memory calculations 19 Last answer memory 20. Hi, I have a form in acrobat 8 pro where I need to add a simple percentage calculation but I do not how. The only factor omitted by the Harris Benedict Equation is lean body mass. Once again, you can use the I = Prt formula to determine the total amount of interest earned. Options to calculate fuel economy, lease, and mortgage payments are also available. Java program to calculate the percentage Java Programming Java8 Object Oriented Programming Percent means percent (hundreds), i. To understand this material, you need to have a basic, working knowledge of Java 8 (lambda expressions, Optional, method references). if ladder executes a block of code among many blocks. For example:. The percentage calculator, formula, example calculation (work with steps), real world problems and practice problems would be very useful for grade school students (K-12 education) to learn how to find percent of some numbers. valueOf(boolean b) − Returns the string representation of the boolean argument. Perfect for convenient hunting location, cabin or recreational use. So, to convert from percent to decimal: divide by 100, and remove the "%" sign. Note: This calculator was written and tested on a Unix computer. you want to know what percent 4 is out of 5. First is "Your Paycheck Results" which is your gross pay and specific deductions from your paycheck. Calculate how to accelerate your debt payoff. The nth root of a number is the number that would have to be multiplied by itself n times to get the original number. This Account has been suspended. When you click text, the code will be changed to text format. This is how to calculate percentage in. Entering Information into the Loan Calculator. Use at your own discretion. Select a date using the calendar pop-up. If a different grading scale is needed, then adjust the grade scale to reflect different levels. P = 5000, R = 10% and T = 5 Years Applying the values in the formula, you will get the simple interest as 2500 by multiplying the loan amount (payment) with the interest rate and the time period. For example, if you have four numbers in a data set, divide the sum by four. Example: Suppose you give \$100 to a bank which pays you 10% compound interest at the end of every year. You can run this program from Eclipse IDE by just copy pasting after creating a Java project and selecting it. Calculate Percent of Two Numbers calculator, the answer is 2. Commission Definition. Turnitin solutions promote academic integrity, streamline grading and feedback, deter plagiarism, and improve student outcomes. How would I go about taking a percentage of 24 hours and converting it into an hour? Basically, this is for a piece of code that I'm writing - and I need to calculate figures for every hour in the year. Learn Java by examples. Next is "Net Pay" or your take-home-pay. Basically 3/8 * 100 should result in 37. Vitech is a New York based Fintech company which specializes in software. Quickly see how much interest you could pay and your estimated principal balances. within the switch statement) but this is just because I wanted to practice using multiple classes. How to Create a Tip Calculator in Java. PDF Forms, Auto-Calculate Page 1 of 5 Last Revised Date: November 29, 2017. io package includes a PrintStream class that has two formatting methods that you can use to replace print and println. To calculate average and percentage marks of a students in c++ programming, you have to ask to the user to enter marks obtained in some number of subjects say 5. percent of a total. How to write a Java program to calculate compound interest?Here we share the code in five different formats to find compound interest program. Create GPA Calculator in Java Application Program: Create GPA Calculator in Java Application program The purpose of this instruction set is how to calculate your GPA during the semester. Simply input two different points and hit the button to calculate the exact amount of the above increments that pass between those two moments. To calculate percent slope, both rise and run must be in the same units(for example, feet or meters). The student should be able to calculate each partial product mentally by distributing from left to right. @Ryan Fox The 10000 here is the TOTAL amount you want to calculate the percentage (35. These are complicated for comparison use. Also learn how to easily convert a decimal into a percentage and vice versa. Written by Janus Boye. Percentage Change The percentage change between two numbers depends on whether we are considering a reduction in value or an increase. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. Examples of java. The Impedance is the hypotenuse of the triangle, the adjacent side is the True Power, and the opposite side is the Reactive Power. So, from this point, we are working to implement a scientific calculator written by me, and shall be written by you in the next days, unless you don't want to do so. The Tax Calculator helps you to work out how much cash you will receive on your Lotto America prize once federal and state taxes have been deducted. In this tutorial we will see how to calculate Area of Rectangle. Press Calculate to determine the day number of that year. The 16-bit Unicode character set underlies both the Java source program and char data type. Free online calculator finds the sale price of a discounted item. This is a free online math/scientific calculator similar to those from TI, Casio, HP and others. 25 percent per annum for three years. With the help of the following program, you can calculate the discount of a product instantly. Finally is the "Calculation Based On. Find percent % increase from 2 to 10. For more information, see Section 1. Similarly, you can calculate EMIs on your auto and home loans using BankBazaar’s Car Loan EMI Calculator and BankBazaar’s Home Loan EMI Calculator, respectively. Example for Math. Phases of the Moon and Percent of the Moon Illuminated in FAQ (descriptions and definitions) Phases of the Moon in Data Services (dates of the four major phases) Complete Sun and Moon Data for One Day in Data Services; Back to. To do this, add up all the numbers in a data set and divide by the total number of pieces of data. Make Calculator. For the example in Step 1, the salary increase percentage is $2,000/$40,000 = 5 percent. Stock market analysts will often use a 50 or 200 day moving average to help them see trends in the stock market and (hopefully) forecast where the stocks are headed. Some people simply look at the sales tax amount found on the bill and double it for the tip, adding or taking a way a bit depending on the service. INSTRUCTIONS. To calculate average and percentage marks of a students, you have to ask to the user to enter marks obtained in some number of subjects say 5. With any luck, the actual payout will be higher than the calculated value. Just figure out 10 percent of the bill and multiply by two. Related signs include the permille (per thousand) sign ‰ and the permyriad (per ten thousand) sign ‱ (also known as a basis point), which indicate that a number is divided by one thousand or ten thousand respectively. A Decimal Number is a number that contains a Decimal Point. You can see the current math calculations in a smaller display that is below the main display of the calculator. Equations displayed for easy reference. 1 Group by a List and display the total count of it. means yo have to give a variable size of a subject like 2,3,5 and more subject as the user wants and you need to calculate the percentage of marks and also print the marks of each subject. This in-depth tutorial is an introduction to the many functionalities supported by streams, with a focus on simple, practical examples. We provide a broad range of products including valves, flanges, fittings, tubing and couplings in metric JIS and DIN, and ANSI standards. printf( “format-string” [, arg1, arg2, … Format String: Composed of literals and format specifiers. So, 55 percent of 300 is 165. The Tax Calculator helps you to work out how much cash you will receive on your Lotto America prize once federal and state taxes have been deducted. 30 is the obtained score whose percentage you wish to calculate. This is due to precision loss in floating point representation. Math Functions. The range describes the variance between the numbers in the set, or the difference between the largest and smallest number. , you are effectively paying 14. A JTextField at the top keeps track of the numbers being pressed and the result of the arithmetic operation. The word "delta" comes from the Greek letter delta, which is represented as a triangle and is commonly used to symbolize a change. Now multiply that decimal by the amount of the principal (which is $10,000 in our example) to get the interest. Percent of year remaining. One such task is the division of percentages. Commission Formula: You can calculator your commission by multiplying the sale amount by the commission percentage. It does basic calculations, and works to the best of my knowledge. It's because the Unsafe ASCII characters in the URL is encoded to % followed by hexadecimal code. This article offers a quick and easy way to create your very own tip calculator, allowing you to input a number and calculate the tip automatically, without doing your own mental math. Your income will be taxed at a different rate depending on if you are single or married. Subtract the deviance of each piece of data by subtracting the mean from each number. Effective yield is the actual return on your Fixed Deposit. A simple way to calculate the sum and average of values in an array. Knowing how to calculate percentages will help you not only score well on a math test but in the real world as well. I'm easy to use and artfully designed to do things better than your desktop calculator ever did. The two ratios are proportionate. Answered by Penny Nom. math package. Calculating your GPA (Grade Point Average) is easy and essential. Used by over 7 million students, IXL provides personalized learning in more than 8,000 topics, covering math, language arts, science, social studies, and Spanish. I have to calculate the score they have when they finish, I use this method: public Float ScoreProcent(int questions, int correct){ Float x = new. Density is the mass per unit of volume of a substance. How to Create a Tip Calculator in Java. 1 Simple Java example to convert a list of Strings to upper case. Implantation Calculator Enter the day you ovulated or your last menstrual period to learn when implantation may occur, when you can expect a missed period, and when a pregnancy test may be positive. Manual time calculation. This Interest-Only Mortgage Calculator is designed to help you figure out the costs and payments associated with an interest-only mortgage. 5% - how to. File to retrieve the partition or disk space detail. 0 Instructions. The process of calculating your discount is as follows: Enter the original price into our percent off calculator. Press the calculate button, and the approximate percentages of monosodium phosphate, monohydrate and disodium phosphate, heptahydrate will be displayed. Stock market analysts will often use a 50 or 200 day moving average to help them see trends in the stock market and (hopefully) forecast where the stocks are headed. Learn the basics of how to calculate percentages of quantities in this easy lesson! To find a percentage of any number, use this generic guideline of TRANSLATION: Change the percentage into a decimal, and the word "of" into multiplication. Finally is the "Calculation Based On. x and will be turned into int 0 before being cast to double. The percentage calculator, formula, example calculation (work with steps), real world problems and practice problems would be very useful for grade school students (K-12 education) to learn how to find percent of some numbers. In our example, the exchange rate for USD/INR was 66.