| Prerequisite: How to move programs to your TI-84 Calculator
The programs below are written in TI-BASIC, which can be transferred from your computer to your TI-84. You will need two items:
A tiny program that does one thing: factor numbers. Put in any number greater than 2, and it will return all factors. If the number is prime, the program will return the message it is a prime number.
Quadratic Professor, version 202. Replaces Quadratic Theta, an earlier version. This program is great for checking your work. It takes three numbers, the coefficients of a quadratic expression in the form of
Radical. It does one thing: takes a radical number, like √128, and expresses it in simplest exact form, 8√2. Included is a version that works on the older TI-84 Plus models.
List Primes. It does one thing: Take any number n, and lists all the primes from 2 to n. It will store the results into built-in list, L1. See graphic on the left.