Chapter 6 Using Calculator
86
Performing calculations
The Calculator includes several buttons to help you perform calculations.
Clears the entire calculation so that you can begin a fresh calculation.
Clears the last number you entered. If you make a mistake while
entering a number in the middle of a calculation, you can use this
button to reenter the number without starting the calculation over.
Toggles the current number between a negative and positive value.
If you want to enter a negative number, enter the number first and
then press the +/- button.
Places the current number into memory. Each new number you
enter with the M+ button is added to the total already stored in
memory. The number that you add can be either a calculated value
or any number you enter by pressing the number buttons. Pressing
this button has no effect on the current calculation (or series of
calculations); it merely places the value into memory until it is
recalled.
Recalls the stored value from memory and inserts it into the current
calculation.
Clears any value that is stored in the Calculator memory.
Calculates the square root of a number. Enter the number, and then
tap the square root button.
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