TI-83 / TI-84 Games and Programs

This program calculates the area of a triangle, given any combination of three sides or angles. Depending on the combo of values, this program uses one of these formulas to calculate the answer: right triangle, equilateral triangle, side-angle-side (SAS), side-side-side (SSS) (Heron’s Formula).

Triangle-Area Program Walkthrough #1:

1. 

   Input any combination of three side or angle measures. Enter zero for unknown values. In this trial, the three sides are known.

2. 

   The area of the described triangle is calculated and displayed using one of seven formulas.

Triangle-Area Program Walkthrough #2:

1. 

   Input any combination of three side or angle measures. Enter zero for unknown values. In this trial, two sides and one angle are known.

2. 

   The area of the described triangle is calculated and displayed using one of seven formulas.

Download Triangle-Area Program »

This program calculates the slope of a line, given two points on that line.

Slope Program Walkthrough:

1. 

   Enter the X and Y values of the given points.

2. 

   The slope is calculated and displayed; it is stored as M.

Download Slope Program »