How to Enter Polar Equations on the TI-83 Plus
How to Enter Parametric Equations on the TI-83 Plus
TI-83 Plus Window Editor in Polar Mode

Draw Functions on a Graph on the TI-83 Plus

The Draw feature on the TI-83 Plus graphing calculator takes care of many problems for you. You can use it to draw functions on a graph. It will even graph the inverse of a function!

To draw a function on a graph with the TI-83 Plus graphing calculator, press [2nd][PRGM][6] to select the DrawF option from the Draw menu. Enter the function as a function of x and press [ENTER]. If you’re in Parametric, Polar, or Sequence mode, the letter x is entered into the calculator by pressing

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If pressing [2nd][PRGM][6] places the DrawF command after something that was previously enter in the Home screen, press [CLEAR] to erase that line and then press [2nd][PRGM][6].

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You can draw inverses of functions in Function mode only. To draw the inverse, press [2nd][PRGM][8] to select the DrawInv option form the Draw menu. Press

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to open the Variables Function menu. Press the number of the function whose inverse you want to graph. Press [ENTER] and the inverse function is drawn on the graph, as illustrated in the following image.

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