Solve any Trigonometry problem instantly.
  
  • The most comprehensive Trig APP for TI calculators.
  • Ideal for quick review in all classes involving Trigonometry.
  • STEP BY STEP - Solve any 90o and non 90o Triangle. Just enter 2 sides and an angle, 3 sides or 1 side and 2 angles to view each step until the complete triangle is solved.
  • This app is intelligent enough to automatically apply the Law of Sine or the Law of Cosine and other basic Triangle Rules to solve any triangle STEP by STEP.
  • It even notifies if triangle cannot be solved or solutions are ambiguous. 
  • Read the underlying Trig-Theorems and Identities.
  • Graph Trig functions and its Inverses.
  • Evaluate Trig Functions and set up Trig-Models.
  • Master the UnitCircle and its Coordinates. 
  • STEP BY STEP - Compute Sectors and Arcs.
  • STEP BY STEP - Convert Degree to Radian and back.
  • STEP BY STEP - Given Sin Cos or Tan find the remaining ratios in a 90 degree triangle
  • STEP BY STEP - Given Sin Cos or Tan find their double and half-angle ratios.    
  • Convert Degrees, Minutes, Seconds to Degrees (decimals) and vice versa.
  • Convert Cartesian Coordinates to Polar Coordinates and vice versa. 
  • Enjoy a game of Yahtzee.
  • Read Documentation .
  • Download it now.
  • Step by Step Triangle Solver (Ex1): Enter 2 sides and 1 angle to view the steps for the final answer.
  • Step by Step Triangle Solver (Ex2): Enter 1 side and 2 angles to view the steps for the final answer.
  • Look up Trig Formulas
      
  • Solve any Right Angle Triangle
    
  • Solve any Non-Right Angle Triangle
   
  • Trig Functions: Evaluate, Graph, Model.
  • Convert: Polar to Rectangular, Degree/Radian, Degree to Degrees/Minutes/Seconds.