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# Math Calculators Online - Javascript Code

Here you can download the collection of math calculators for free. Useful Java script sample codes for the web developers and programmers. Just copy and paste the java script sample codes in the webpage to use this collection of free math calculators.

RPN(Reverse Polish Notation) calculator
RPN calculator calculates even complicated terms without braces. This Reverse Polish Notation calculator uses postfix representations. It has many advantages over Algebraic notation.
Javascript NPR Calculation
Javascript NPR calculator is used to find the number of permutations for the given value. Enter the values to the textbox and find the npr calculations. In probability we can use the permutations.
Javascript NCR Calculation
Javascript NCR calculator is used to find the number of combinations(nCr) for the given value. Enter the values to the textbox and then find the number of combinations(nCr) for those values.In probability we can use npr calculation.
Aspect Ratio Calculator Script
The aspect ratio of an image is the ratio of the width of the image to its height. Calculate the aspect ratio for particular image dimensions using this simple javascript calculator.
Cricket Batting Bowling Average Calculator
Cricket Average Calculator script that helps you to calculate the amount of runs, number of times dismissed and the amount of wickets taken.
Length Calculator or Unit Conversion in javascript
This is a Length calculator or unit conversion script, which converts any of the entered unit(inches, feet, centimeter, kilometer, mile) to all other units including inches(in), feet(ft), centimeter(cm), kilometer(km), mile(mile).
Javascript Palindrome Checker
Simple javascript that allows you to check whether a given word / string is a Palindrome or not. A palindrome is a word or phrase which reads the same forward or reverse direction.
Ratio Calculator Javascript
Simple Javascript Ratio Calculator that instantly calculates the ratio between two given numbers.
Empirical Rule Calculator Script
The free javascript calculator is used to find empirical rule for the set of values in statistics. The rule states that 68% of the values fall within the first standard deviation, 95% of the values fall within the first two standard deviations, and 99.7% of the values fall within the first three standard deviations of the mean. It is also known as 68-95-99.7 Rule or Three sigma rule.
Absolute Value of a Number
Absolute Value Script, which helps to find the absolute value of a number in javascript.