How To Do An Absolute Value Function On The TI-83 Plus

The TI-83 calculator, developed by Texas Instruments, is an advanced graphing calculator designed to calculate and graph various equations. With so many buttons, menus and submenus, locating your desired function can be a daunting task. To locate the absolute value function, you have to navigate to a submenu. Use this function on your TI-83 device to quickly calculate the absolute value of an equation or how far an equation is from zero.

Step 1

Press the "Math" button, located two spaces below the yellow "2nd" key in the upper left corner of the main keypad. A menu appears.

Step 2

Press the right-pointing arrow on the directional pad to select the "Num" tab from the "Math" menu.

Step 3

Scroll down to "1: Abs(".

Step 4

Push "Enter" on the bottom right corner of the main keypad. The menu closes and an absolute value function appears.

Step 5

Type in the equation you want to find the absolute value for.

Step 6

Press the ")" key above the "8" in the number pad to close the absolute value function.

Step 7

Push "Enter" to calculate the absolute value.