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Plotting Parametric Equations on the TI-83+ and TI-84+

Posted on January 5, 2014 at 8:38 am

We at Calcblog hope you had a great winter vacation! So far, we’ve posted tutorials on graphing in rectangular/Cartesian and polar coordinates, but there are other ways to specify functions. One of these is as a function of a parameter, or a so called “par …

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Riemann Sum Solver for the TI-83+ and TI-84+

Posted on July 2, 2013 at 2:03 pm

This program calculates and plots Riemann sum approximations for the area under a curve. (RRAM, LRAM, MRAM, and TRAM). It allows customization of many features and has an easy-to-use interface. For more detailed instructions and theory about this program,  …

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Quadratic Formula Solver for the TI-83+ and TI-84+

Posted on July 2, 2013 at 2:01 pm

This basic program calculates the roots of a quadratic equation. It is optimized for size to take as little memory as possible. See this blog post for more information on this program Features: Calculates the roots of a second degree polynomial Works  …

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EAR Calculator for the TI-83+ and TI-84+

Posted on July 1, 2013 at 2:05 pm

This simple program calculates the effective annual rate (EAR) for compound interest. To learn more about EAR, visit our blog post. Features: Does not need FINANCE app to run Warns user if rate is greater than 1/100% Small file size  …

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Quadratic Formula Program for the TI-89 Series

Posted on June 30, 2013 at 1:50 pm

This basic program calculates the roots of a quadratic equation on a TI-89, TI-92, or Voyage 200. It is optimized for size to take as little memory as possible. See this blog post for more information on this program and how to program it yourself. Feat …

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Mode Finder for the TI-89 Series

Posted on June 30, 2013 at 1:49 pm

This basic program calculates the mode (most common value) of a list. See this blog post for more information on this program Features: Displays size of list and mode frequency in addition to value Simple input: type mode(listname) Useful for standar …

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Mode Finder for TI-83+ and TI-84+

Posted on June 30, 2013 at 1:49 pm

This basic program calculates the mode (most common value) of a list. See this blog post for more information on this program Features: Simple input and output Useful for standardized tests Optimized to take as little memory as possible …

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Video: Using Variables on Your TI Graphing Calculator

Posted on May 8, 2013 at 12:29 pm

We just posted our second video tutorial to YouTube! This tutorial covers the basic use of variables to help with calculations, a technique that will help you use your calculator more effectively and avoid making mistakes when entering quantities. We hope  …

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Getting Started with the HP 50g

Posted on April 8, 2013 at 9:20 pm

While the TI-84 and TI-89 series are the most popular on the market, there are many other graphing calculators with advanced functionality. This guide, a Calcblog guest post by ime1729 (Matthew Lin), guides you through the basic setup of your calculator an …

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How to Graph Polar Equations on the TI-83+ and TI-84+

Posted on January 3, 2013 at 2:03 pm

Polar coordinates are another way of representing a two-dimensional space, just like Cartesian (rectangular) coordinates. Instead of x and y, points are described using r, a radius, and θ (theta), the angle counterclockwise from the positive x axis.  …

Filed under Algebra, Difficulty: Easy, TI-83 Plus, TI-84 Plus | 3 Comments