# Calculators

Though we prefer you use your TI-84 to do calculations, this site offers some free online tools to help with your mathematical endeavors. If you do want to use your personal calculator but don’t know how to use it, visit the TI-84 Plus page for beginner to advanced tutorials.

# Polynomial and Equation System Solver (PlySmlt2)

March 22, 2018 1

Many students (and even teachers) have no idea that a polynomial solver and system of equations solver is already installed in all TI-84 Plus series calculators. Because the interface can be slightly confusing to navigate, I still recommend creating a… continue reading »

# Slope-Intercept, Distance, and Midpoint Formula Program

March 19, 2018 0

One of the most common scenarios in basic algebra is the encounter of two coordinate points. You may need to determine an equation for the line connecting the two points. You might need the distance between the two points. You… continue reading »

# Vector Math Program for TI-84 Plus

March 19, 2018 1

Tired of calculating vector cross products or unit vectors by hand? This handy program allows you to input two vectors and add or subtract them, or take the dot or cross product, and receive the resulting vector along with its… continue reading »

# Kinematic Equations Program for TI-84 Plus

January 17, 2018 2

Enrolled in a mechanical physics class? This calculator program will make calculations easier and quicker with automatic solvers for the kinematic equations! The program allows you to choose which of the three equations to use, input your values, select an… continue reading »

# TI-84 Plus CE vs. TI-Nspire CX

December 18, 2017 0

A common question of students is “what calculator should I get?” This comparative review tackles the two biggest players in graphing calculators: The TI-84 Plus CE and the TI-Nspire CX. Their popularity stems from the fact that they’re both newer… continue reading »

# Euler Method Calculator Program

December 14, 2017 0

The Euler method for solving differential equations can often be tedious. Especially in calculus classes, students are often required to produce tables to demonstrate their knowledge of the subject. This calculator program lets users input an initial function solution, a… continue reading »

# Unit Converter

December 3, 2017 0

Feel free to use this handy unit conversion calculator when working on math, chemistry, physics, or whatever topic requires it! Though having a unit converter online is helpful, did you known you can also convert units on your TI-84 calculator?… continue reading »

# Quadratic Formula Program for TI-84

December 3, 2017 2

Ever wanted to easily solve or factor quadratic equations without having to write out the formula and calculate manually? This detailed tutorial will show you how to program the quadratic formula into your TI-84 calculator so that all you need… continue reading »