A handy astrological calculator that will calculate both your Western and Chinese birth Signs.
Math Related
Quartic Equation Solver
This script can solve quartic equations in the form of ax^4 + bx+3 + cx^2 + dx + e = 0.
Circumference Calculator
Find out the circumference of a circle by entering its radius. Very simple!
GCD/LCM Calculator
This calculator can quickly determine the Greatest Common Factor and Least Common Multiplier between two or three numbers.
Weight Watchers Points Calculator
Are you designing a diet Web site? Are you using the Weight Watchers Points plan to lose weight? If so, this little calculator might just come in handy. A simple but quick method to figure WW points.