User Manual
Table Of Contents
- Important Information
- Using Your TI-84 Plus CE Graphing Calculator
- Using the Keyboard
- Setting Up the Calculator Modes
- Evaluating Expressions
- Working with Graphs
- Working with Matrices
- Working with Probability and Statistics
- Working with Variables
- Managing Calculator Files
- Using Applications (Apps)
- Using Accessories
- Using Press-to-Test
- Diagnosing and Correcting Error Conditions
- General Information
- Index
60 Diagnosing and Correcting Error Conditions
Diagnosing and Correcting Error Conditions
The TI-84PlusCE detects errors while performing these tasks:
• Evaluating an expression
• Executing an instruction
• Plotting a graph
• Storing a value
1. Determine the error. The error screens give helpful hints about what may have
happened, but the errors are not always fully explained.
2. Correct the expression.
Diagnosing an Error
When the TI-84PlusCE detects an error, it returns an error message with a short
description.
1:Quit Displays the home screen
2:Goto Displays the previous screen with the cursor at or near the error
location
Note: If a syntax error occurs in the contents of a Y= function during program
execution, then the 2:Goto option returns to the Y=editor, not to the program.
Correcting an Error
To correct an error, follow these steps.
1. Note the error type (ERROR:error type).
2. Select 2:Goto (if it is available).The previous screen is displayed with the cursor at
or near the error location.
3. Determine the error. The error screens give helpful hints about what may have
happened, but the errors are not always fully explained.
4. Correct the expression.