Graphing Calculators

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Evaluate a Sequence on the TI-83 Plus

You can use the TI-83 Plus to evaluate the graph of a sequence. To evaluate a sequence at a specified value of n, follow these steps: [more…]

How to Graph Functions on the TI-83 Plus

Here’s where your TI-83 Plus calculator draws pretty pictures. After you have entered functions into the TI-83 Plus calculator, you can use the following steps to graph the functions: [more…]

How to Graph Several Functions on the TI-83 Plus

If you’re graphing several functions at once on the TI-83 Plus graphing calculator, it’s not easy to determine which graph each function is responsible for. To help clear this up, the calculator allows [more…]

How to Determine the Accuracy of TI-83 Plus Graphs

The TI-83 Plus graphing calculator can do only what you tell it to do — which doesn’t always produce an accurate graph. The three main causes of inaccurate graphs, and their solutions, are the following [more…]

Piecewise-Defined Functions on the TI-83 Plus

When graphing a piecewise-defined function on the TI-83 Plus graphing calculator, some people cop out and simply graph each of the separate functions that appear in it. But this does not result in an accurate [more…]

How to Graph Trig Functions on the TI-83 Plus

The TI-83 Plus graphing calculator has built-in features especially designed for graphing trigonometric functions. They produce graphs that look like graphs you see in text books; and when you trace these [more…]

View the Function and Graph on the Same TI-83 Plus Screen

If you’re planning to play around with the definition of a function you’re graphing on the TI-83 Plus, it’s quite handy to have both the Y= editor and the graph on the same screen. That way you can edit [more…]

How to Save and Recall a Graph on the TI-83 Plus

If you want a recalled graph to be interactive, you need to save it as a Graph Database on the TI-83 Plus. This way the calculator saves the Graph Mode, Window, Format, and Y [more…]

How to Graph Several Polar Equations on the TI-83 Plus

You can use the TI-83 Plus graphing calculator to identify the graphs of several polar equations. To set a different graph style for each polar equation: [more…]

Zoom Commands and Graphing Polar Equations

After you’ve graphed your polar equations on the TI-83 Plus graphing calculator, you can use Zoom commands to change the viewing window of your graph. Pressing [more…]

Trace a Polar Graph on the TI-83 Plus

After you’ve graphed your polar equations on the TI-83 Plus graphing calculator, you can use the calculator to trace the polar graph. Press [TRACE] and then use [more…]

Display Polar Equations in a Table on the TI-83 Plus

After you’ve entered the polar equations into the TI-83 Plus graphing calculator, you can have the calculator create a table of the values of the polar equations. To create a table, follow these steps: [more…]

How to Enter Parametric Equations on the TI-83 Plus

The TI-83 Plus graphing calculator can handle up to six pairs of parametric equations, X1T and Y1T through X6Tand Y6T. To enter parametric equations in the calculator: [more…]

TI-83 Plus Window Editor Variables in Parametric Mode

With the Window editor on the TI-83 Plus calculator in Parametric mode, you must set several variables when graphing parametric equations. The following gives an explanation of the variables that you must [more…]

How to Graph Parametric Equations on the TI-83 Plus

After you have entered the parametric equations into the TI-83 Plus graphing calculator, you can use the following steps to graph the equations: [more…]

How to Graph Several Parametric Equations on the TI-83 Plus

To identify the graphs of several pairs of parametric equations, set a different graph style for each pair of parametric equations on the TI-83 Plus graphing calculator. The following steps show how: [more…]

Zoom Commands and Parametric Equations on the TI-83 Plus

After you’ve graphed your parametric equations on your TI-83 Plus graphing calculator, you can use Zoom commands to change the viewing window of your graph. Pressing [more…]

Trace a Parametric Graph on the TI-83 Plus

After you’ve graphed your parametric equations on the TI-83 Plus graphing calculator, press [TRACE] and then use the right arrow key to investigate these equations. Here’s what you see, and what you can [more…]

Display Equations in a Table on the TI-83 Plus

After you have entered the parametric equations into the TI-83 Plus graphing calculator, you can have the calculator create a table of the terms in all pairs of parametric equations in the Y [more…]

View Parametric Table and Graph on the Same TI-83 Screen

After you have graphed your parametric equations and created a table for the parametric equations, you can view the graph and the table on the same TI-83 Plus calculator screen. To do so, follow these [more…]

Evaluate Parametric Equations on the TI-83 Plus

You can use the TI-83 Plus graphing calculator to evaluate a pair of parametric equations at a specified value of T. To do so, following these steps: [more…]

Find Derivatives of Parametric Equations with the TI-83 Plus

You can use the TI-83 Plus graphing calculator to find the derivative (dy/dx, dy/dt, or dx/dt) of a pair of parametric equations at a specified value of [more…]

Convert from Rectangular to Polar Coordinates on the TI-83 Plus

You’re used to seeing points in the xy-plane displayed in the (x, y) rectangular form. But when dealing with polar equations, you view these points in their polar form. To convert [more…]

Convert from Radian Measure to Fractions on the TI-83 Plus

You can use the TI-83 Plus graphing calculator to express radian measures as a fraction, if possible. It’s much easier to know what the angle looks like in this form. You can quickly sketch the angle [more…]

Convert from Polar to Rectangular Coordinates on the TI-83 Plus

You can use the TI-83 Plus graphing calculator to convert from polar to rectangular coordinates. You’re used to seeing points in the xy-plane displayed in the [more…]

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