Texas Instruments TI-82 User Manual - Page 261
instruction, or stop evaluaton of an expression.
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Error Conditions When the TI.82 detects an error, it displays ERR:message and the error menu. The general procedure for correcting errors is described on page 1.22. Each error type, including possible causes and suggestions for correction, are shown below. ARGUMENT BAD GUESS BOUND BREAK DATA TYPE DIM MISMATCH A function or instruction does not have the correct number of arguments. See Appendix A and the appropriate chapter. ¦ For a CALC operation, Guess must be between Lower Bound and Upper Bound. ¦ For the solve( function, guess must be between lower and upper. ¦ The guess and several points around it are undefined. Examine a graph of the function. If the equation has a solution, change the bounds and/or the initial guess. ¦ For a CALC operation , you must define Lower Bound < Upper Bound. ¦ For fMin(, fMax(, fnInt(, and solve(, lower must be less than upper. You have pressed the É key to break execution of a program, halt a DRAW instruction, or stop evaluaton of an expression. You have entered a value or variable that is the wrong data type. ¦ A function (including implied multiplication) or an instruction has an argument that is an invalid data type; for example, a list where a real number is required. See Appendix A and the appropriate chapter. ¦ In an editor, you have entered a type that is not allowed; for example, a matrix as an element in the STAT list editor. See the appropriate chapter. ¦ You are attempting to store to an incorrect data type; for example, a matrix to a list. You are attempting to perform an operation that has more than one list or matrix, but the dimensions do not match. Reference Information B-7