Texas Instruments TI-82 User Manual - Page 46
Error Conditions - program editor 82
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Error Conditions The TI.82 detects any errors at the time it evaluates an expression, executes an instruction, plots a graph, or stores a value. Calculations stop and an error message with a menu displays immediately. Error codes and conditions are described in detail in Appendix B. Diagnosing an Error If the TI.82 detects an error, it displays the error screen. The top line indicates the general type of error, such as SYNTAX or DOMAIN. Additional information about each error message is in Appendix B. ¦ If you select Goto, the cursor is displayed at the location where the error was detected. Note: If a syntax error was detected in the contents of a Y= function during program execution, this option returns the user to the Y= editor, not the program. ¦ If you select Quit or press y ãQUITä or ', you return to the Home screen. Correcting an Error 1. Note the type of the error. 2. Select Goto, if that option is available, and look at the expression for syntax errors, especially at and in front of the cursor location. 3. If the error in the expression is not readily apparent, turn to Appendix B and read the information about the error message. 4. Correct the expression. 1-22 Operating the TI.82
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