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C H A P T E R 1 2
CALCULATOR
Calculator is a desktop calculator application that enables you to perform basic arithmetical
calculations.
Using Calculator, you can do the following:
•
Perform basic addition, subtraction, multiplication, and division operations.
•
Store and retrieve numbers from memory.
•
Calculate tax and tip based on percentages you specify.
•
Perform calculations using special formulas.
•
Set preferences for how numbers should be displayed.
T H E C A L C U L A T O R S C R E E N
C A L C U L A T O R B U T T O N S
Use the following table to determine what action the calculator buttons perform.
Adds the next number you type to
the current total
Subtracts the next number you type
from the current total
Multiplies the next number you type
by the previous number
Calculates the reciprocal of the dis-
played number
Displays the result of multiplication
as a percentage
Changes the sign of the displayed
number
Calculator
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