Triangle Calculator.

The free version of Trivice for the calculation of any given triangle. The necessary parameters are:

  • Three sides or
  • Two sides and one angle or
  • One side and two angles

The input is done completely without the keypad by using the graphical controllers on the edges and sides. The value of the active controller is displayed in the middle. The result is shown graphical as well as numeric.

The commercial versions Trivice and Trivice HD can additionally calculate the area, height, perimeter, incircle and circumcircle. They also offer the input of fraction digits and a history to recall the most recent calculations.

Current Version:
2.1, Nov 18, 2020
iPhone or iPod touch or iPad with OS 13 or later

Frequently asked questions:

The program does not respond 
One controller has always to be selected with a tab. The active controller is marked by a black arrow.

Are there any plans for a numeric input?  
Tricive was designed from the ground up without numeric input. Numeric input is not planned for future versions.