19
Using the Calculator
ˆ
Using the Calculator
To use the data bank’s calculator function, press
CAL/AC
.
CAL-
CULATOR
, the current time, and
0.
appear.
The calculator performs standard arithmetic calculations like
any other calculator. Simply press the numbers and operators
in the order they appear in the arithmetic operation.
CORRECTING ENTRY ERRORS
If you enter an incorrect value, press
C/CE
/
Clear
once. Then en-
ter the correct value and continue your calculation.
If you press an incorrect operator (+, –,
×
, ÷), simply press the
correct key and continue your calculation.
To clear the display for a new calculation, press
C/CE
/
Clear
twice so
0.
appears, then begin the new calculation.
ERROR MESSAGE
E
(error) appears in the lower left corner when:
• A calculation result exceeds 12 digits to the left of the deci-
mal point. This is an overflow error (see “Estimating Calcu-
lation Results” on Page 20).
• You try to divide by 0.
• A memory calculation exceeds 12 digits (the memory con-
tents remain unchanged).
65-522.fm Page 19 Thursday, July 13, 2000 11:48 AM