How to Input Delta X
- 1). Press the "ON" button to turn on the Ti-84 graphing calculator.
- 2). Press the "VARS" button in the upper-right corner of the calculator.
- 3). Select "1:Window" from the X/Y secondary menu.
- 4). Scroll down and select delta X, which looks like a triangle with the letter X next to it.
- 5). Enter a numerical value for delta X and press the "Enter" button. The built-in formula for delta X is "(Xmax - Xmin)/94." This defines the distance on a graph between the center of two adjacent pixels. The value of "Xmax" will change when you define a value for delta X.
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