This simple JavaScript code example can solve quartic equations in the form of ax^4 + bx+3 + cx^2 + dx + e = 0. Another way to get answers but do not want to calculate more.

With this JavaScript code, you will not have to remember the complicated formulas for calculating the values of a triangle. Now this code only solves the simple values such as: area of triangle, area of largest/smallest inscribed circle, the angle between two side.

However, the advantage of simplicity is it will be easy for you to understand how it work and customize it according to your needs. Things you need when use this JavaScript code is enter the values of three sides.

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

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

This JavaScript 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!