Sums and Sequences on the TI-83 Plus and TI-84 Plus

Posted on February 7, 2012 at 1:23 pm

While they may not have the calculus capabilities of the TI-89, the TI-83 Plus and TI-84 Plus have two great functions for dealing with series and sums, the “seq” and “sum” functions. This tutorial explains how to use these features …
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Filed under Calculus, Difficulty: Medium, TI-83 Plus, TI-84 Plus | 2 Comments

Solving Systems of Linear Equations with Row Reduction on the TI-83 Plus and TI-84 Plus

Posted on September 14, 2011 at 5:27 pm

Suppose you wanted to find the solutions to the following set of equations: Xavier and Yolanda both bake pies. In one hour, the pair create a total of 5 pies. If Xavier works for 3 hours and Yolanda works for …
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Filed under Algebra, Difficulty: Medium, TI-83 Plus, TI-84 Plus | Leave a comment

How to Create a Simple Quadratic Formula Program on the TI-89 and Voyage 200

Posted on February 13, 2011 at 9:30 pm

Like the TI-83 Plus and TI-84 Plus, the TI-89, TI-92 Plus, and Voyage 200 graphing calculators all have their own integrated programming language, TI-BASIC. While this language is somewhat more complex on the TI-89/V200 series than the the TI-83 Plus …
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Filed under Algebra, Calculator Program, Difficulty: Medium, TI-89, TI-92 Plus, Voyage 200 | 22 Comments

Hypothesis Testing using the Z-Test on the TI-83 Plus, TI-84 Plus, TI-89, and Voyage 200

Posted on February 6, 2011 at 11:39 pm

The TI-83 Plus and TI-84 Plus are optimized for performing many tasks in statistics, and one of their most powerful features is the ability to perform a variety of tests of statistical significance. With the statistics package installed, the TI-89, …
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Filed under Difficulty: Medium, Statistics, TI-83 Plus, TI-84 Plus, TI-89, TI-92 Plus, Voyage 200 | 1 Comment

Business and Finance Math #1: Future Value of an Annuity Due

Posted on January 10, 2011 at 3:55 pm

Business and Finance Math is an ongoing series produced by Calcblog to present topics and concepts found in the world of business and finance. Our goal with this series is to provide you with a practical framework for identifying and …
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Filed under Difficulty: Medium, Finance, HP 12c, TI BA II Plus | 3 Comments

Three Applications to Turn Your TI-83+ or TI-84+ into a TI-89

Posted on December 30, 2010 at 4:36 pm

The TI-89 series of calculators is packed with features that, unfortunately, are lacking in the TI-83+ and TI-84+. This tutorial will show you how to install and use three applications to add 3D graphing, symbolic differentiation, simplifying equations, and pretty-print …
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Filed under Algebra, Calculus, Difficulty: Medium, TI-83 Plus, TI-84 Plus | 19 Comments

Performing a Linear Regression on the TI-83+ or TI-84+

Posted on December 29, 2010 at 8:52 pm

Linear relationships are examined in practically every discipline of the natural and social sciences. Using the statistics functions of the TI-83+/TI-84+ it is relatively easy to investigate this relationship by performing a linear regression on two variables, such as the …
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Filed under Difficulty: Medium, Statistics, TI-83 Plus, TI-84 Plus | 29 Comments

Creating a Simple Quadratic Formula Program on Your TI-83 Plus or TI-84 Plus

Posted on December 29, 2010 at 12:19 am

One of the most useful features of the TI-83 Plus/TI-84 Plus series of calculators is their integrated programming language, TI-BASIC. Unfortunately, not much documentation exists online on how to create programs using this feature. This tutorial provides an introduction on …
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Filed under Algebra, Calculator Program, Difficulty: Medium, TI-83 Plus, TI-84 Plus | 6 Comments