Texas Instruments TI-84 - Manual (Page 121)

Chapter 3: Function Graphing 118
Using TRACE in a Program Using TRACE in a Program Using TRACE in a Program Using TRACE in a Program
On a blank line in the program editor, press
r. The instruction
Trace is pasted to the
cursor location. When the instruction is encountered during program execution, the
graph is displayed with the trace cursor on the first selected function. As you trace, the
cursor coordinate values are updated. When you finish tracing the functions, press
Í to resume program execution.
Exploring Graphs with the ZOOM Instructions Exploring Graphs with the ZOOM Instructions Exploring Graphs with the ZOOM Instructions Exploring Graphs with the ZOOM Instructions
ZOOM Menu ZOOM Menu ZOOM Menu ZOOM Menu
To display the ZOOM menu, press
q. You can adjust the viewing window of the graph
quickly in several ways. All ZOOM instructions are accessible from programs.
ZOOM MEMORY
1: ZBox Draws a box to define the viewing window.
2: Zoom In Magnifies the graph around the cursor.
3: Zoom Out Views more of a graph around the cursor.
4: ZDecimal Sets @ X and @ Y to 0.1.
5: ZSquare Sets equal-size pixels on the X and Y axes.