There are several possible error conditions that can occur. Following is a list of possible errors and their causes...
ERROR: DIVIDE BY ZERO Attempted division by zero
ERROR: MATH OVERFLOW Floating point math overflow
ERROR: MATH UNDERFLOW Floating point math underflow
ERROR: DISPLAY OVERFLOW Result too large to display
ERROR: DISPLAY UNDERFLOW Result too small to display
ERROR: OPERAND OUT OF RANGE Operand for selected function invalid
(INTEGER OVERFLOW) Result too large to fit in current word size
The last error occurs only in the binary math modes, and is a warning only. You can still continue with the calculation, but the result may not be accurate. For all other errors you must press the [CE/C] key to clear the error condition.