Settings on the TI-83 Plus and TI-84 Plus: The MODE Menu

The TI-83 Plus and TI-84 Plus offer a variety of different settings for customizing calculations and the way graphs are displayed. While some of these options are more aesthetic, like setting the graph to be displayed in a split screen …
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Filed under Difficulty: Easy, TI-83 Plus, TI-84 Plus | 6 Comments

SAT Test Prep #3: Calculating Sale Prices, Percentages and Discounts

One of the ways you can improve your SAT is score is identifying problems that may seem simple but are actually written to trick you. If you are rushing through a test, you may miss out on easy points. Consider …
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Filed under Algebra, Difficulty: Easy, SAT, Test Prep, TI-83 Plus, TI-84 Plus, TI-89 | 1 Comment

Business and Finance Math #5: Calculating the Effective Annual Rate (EAR) on the TI-83 & TI-84 Plus

While they are intended primarily for math and statistics work, the TI 83 Plus and TI 84 Plus also have a slew of built in financial functions similar to those available on advanced financial calculators. This tutorial describes how to …
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Filed under Difficulty: Easy, Finance, TI-83 Plus, TI-84 Plus | Leave a comment

Business and Finance Math #4: Continuous Compounding on the TI BA II Plus & HP 12c

Sometimes when reviewing time value of money (TVM) problems, you may encounter a situation that involves continuous compounding. As we have seen in our previous posts on interest rates and calculating effective rates, the more times compounding occurs, the higher …
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Filed under Difficulty: Easy, Finance, HP 12c, TI BA II Plus | 3 Comments