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Triangle Solver TI-84 Plus CE Program: TRISOLV

Triangle Solver TI-84 Plus CE Program: TRISOLV

$20.00 USD
$40.00 USD $20.00 USD
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⚠️ Before You Buy:
• Digital product — No refunds
• Requires TI-84 Plus CE or TI-84 Plus CE Python
• NOT compatible with older TI-84 Plus (black & white screen)
• By purchasing, you confirm you understand this is a digital download and cannot be returned

Meet TRISOLV, the TI-84 Plus CE calculator program built to conquer every triangle problem in your basic math class. 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.

What You’ll Need

  1. TI-84 Plus CE (or CE Python) calculator

  2. TI Connect™ CE software (free from Texas Instruments)

  3. 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

  1. Download TRISOLV from your mcstutoring.com account.

  2. Open TI Connect CE and drag the .8xp file onto your calculator icon.

  3. Press PRGM → TRISOLV → ENTER on your calculator.

Need help?


⚠️ Important: SAT Calculator Rules

College Board prohibits calculator programs with equation solvers on the official SAT exam.

The SATMATH program is designed for practice, homework, and learning. It helps you master SAT-style questions, check your work, and build speed and confidence before test day.

✅ Perfect for: practice tests, homework, timed drills, concept review
🚫 Not allowed: official SAT exam

Disclaimer: This calculator program is designed to help you work through triangle questions more efficiently. It does not guarantee a particular SAT score or grade—it’s a study aid, not a replacement for your own review and practice.

What do I need to install the program?

  1. TI84 Plus CE (or Python) Calculator
  2. TI Connect CE Software (Download Here)
  3. Update Your TI calculator software (Click Here)
  4. USB mini to USB cord (Should have came with your calculator, or you can buy one from Staples or Best Buy)

How do I install the program on my calculator?

Watch this quick video

Can you help me with the TI connect software?

Yes! Take a look at this guide for more help.

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