Casio fx 991MS User Guide - Page 35
Math ERROR, Stack ERROR, Syntax ERROR, Arg ERROR - calculator functions
UPC - 079767134860
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the display. Press t to clear the error, or press e or r to display the calculation and correct the problem. See "Error Locator" for details. Math ERROR • Causes • Calculation result is outside the allowable calculation range. • An attempt to perform a function calculation using a value that exceeds the allowable input range. • An attempt to perform an illogical operation (division by zero, etc.) • Action • Check your input values and make sure they are all within the allowable ranges. Pay special attention to values in any memory areas you are using. Stack ERROR • Cause • The capacity of the numeric stack or operator stack is exceeded. • Action • Simplify the calculation. The numeric stack has 10 levels and the operator stack has 24 levels. • Divide your calculation into two or more separate parts. Syntax ERROR • Cause • An attempt to perform an illegal mathematical operation. • Action • Press e or r to display the calculation with the cursor located at the location of the error and make required corrections. Arg ERROR • Cause • Improper use of an argument 33