Type or make two numbers have the sum equalled or less 18, then clicking buttons for the sum of two that numbers , view the right; wrong choices and the ratio.

Find out the circumference of a circle by entering its radius. Very simple!

This script will factor and solve for both values of X, any quadratic equation that has real number solutions.

This script uses array to store tha values users submit then will alert the largest, smallest number and sum of the numbers.

Calculate whether or not a number is prime and break it into its prime factors. Also includes a loading bar for large numbers.

This calculator can quickly determine the Greatest Common Factor and Least Common Multiplier between two or three numbers.

This script enables you to set a fixed number of decimal places for an input number. It also provides error checking.

Need to find the area or circumference of a circle, the area of a rectangle, or the volume of a cylinder? This cool script will find it for you. In addition to the answer, it also gives all the steps needed to solve the equation. (The answer is rounded off.) Pretty cool!

This 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 script 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.

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.

Enter the adjacent and hypotenuse angle values and JavaScript will solve the cosine angle for you. Neat!