JavaScript can help you find area equivalents.

Convert Arabic numerals to roman numerals with the click of a button. Numbers work up to the tens of billions.

This JavaScript code will calculate the surface area and volume of cones, spheres or cylinders of any dimensions as well as circle circumference and surface areas.

Enter the X-Y coordinates for a function and this JavaScript will give you the graphing formulas, including Formula, Slope, Y-intercept, Parallel and Perpendicular lines. Easy!

Find the Greatest Common Factor (GCF) of a group of two or three numbers.

This JavaScript will convert celsius to fahrenheit or fahrenheit to celsius, all you have to do is fill in the prompts and the conversion will appear in an alert box!

Displays the Fibonacci Sequence of Numbers as entered by the user. Warning: This is very processor intensive, do not enter a large number.

Use JavaScript to find out if a number entered is odd or even and the factors of that number.

Just enter a math expression (with +, -, ', and / signs) and this script will evaluate the expression for you. Who needs a calculator when you have JavaScript.

Click a country button to display currency name and full fixed euro exchange rate. Press Clear to empty the value boxes and enter either Euro or Local amount to convert. Click the appropriate button for conversion of euro To Local or of local To Euro. Conversion will display selected currency exchange rounded to two decimal places.