This little program makes it really easy to do trigonometric calculations.
An innovative and free calculator both for real and complex numbers.
Screen Protractor give you pixel perfect measurement of any angle on your screen
This little program makes it really easy to do trigonometric calculations. Just enter any combination of three parameters (sides, angles or height) and hit the calc button. All the remaining angles, sides and height are instantly calculated!
Z-Calculate is an innovative calculator for students, scientists etc. It combines mathematical power and cool features with a clear and user-friendly interface. Both real and complex numbers are supported. And, best of all, it is completely free!
The Screen Protractor allows you to easily and quickly measure any angle on the screen to the nearest Degree or Radian. The Screen Protractor floats above any other application so you can measure any angle on your screen.