Texas Instruments TI36X User Manual - Page 28

Error Conditions When Error appears in the display, the calculator will not accept a keyboard entry until you press ' to clear the error condition. (' ' clears the condition and all pending operations.) General errors ¦ Result larger than ±9.999999999 Q 1099. ¦ Division by zero. ¦ More than 15 open parentheses or 4 pending operations (1 in STAT). ¦ Log, ln, or 1/x of 0. ¦ Log, ln, or ‡x of x < 0. ¦ Even root of a negative number. ¦ 0 to the 0th power, or 0th root of any number. ¦ Rectangular to polar when x or y has an exponent > 63. ¦ Tan of x = 90¡, -90¡, 270¡, -270¡, 450¡, etc. ¦ Sin-1 or cos-1 of x where |x| > 1. ¦ Tanh-1 of x where |x| | 1. ¦ x! where x is not a positive integer { 69. ¦ Combinations or permutations when n and r are not positive integers. 27