Meet TRISOLV, the TI-84 Plus CE calculator program built to conquer every triangle problem on the SAT. No more fumbling with separate formulas—just pick your scenario, enter the known values, and TRISOLV does the rest:
Key Features
Right Triangles: Find any missing side or angle using Pythagorean theorem and angle-sum checks.
Trigonometric Ratios: Calculate sin θ, cos θ, and tan θ with built-in fraction output.
Similar Triangles: Match corresponding angles and compute scale factors.
30-60-90 & 45-45-90 Triangles: Automatic exact and decimal results for all special-case triangles.
Triangle Area: Choose base × height, Heron’s formula, or ½ ab sin C.
Perimeter & Equilateral: Sum sides, find missing side from total perimeter, or compute equilateral properties.
Intuitive Menus: Clean, single-letter labels and clear “Back” options make navigation a breeze.
Degree Mode: Angles always in ° to match SAT conventions.
THIS ONLY WORKS FOR TI84 PLUS CE or TI84 PLUS CE PYTHON CALCULATORS
What You’ll Need
TI-84 Plus CE (or CE Python) calculator
TI Connect™ CE software (free from Texas Instruments)
USB cable to link your calculator and computer
THIS IS INCLUDED IN THE SAT MATH PROGRAM. IF YOU HAVE THAT PROGRAM, DO NOT BUY THIS!
Installation & Support
Download TRISOLV from your mcstutoring.com account.
Open TI Connect CE and drag the .8xp file onto your calculator icon.
