Apple touch third gen 16gb User Guide

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Calculator
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Using the Calculator
Tap numbers and functions in Calculator just as you would with a standard calculator. 
When you tap the add, subtract, multiply, or divide button, a white ring appears 
around the button to let you know the operation to be carried out. Rotate iPod touch 
to get an expanded scientific calculator.
Standard Memory Functions
• 
C:  Tap to clear the displayed number.
• 
MC:  Tap to clear the memory.
• 
M+:  Tap to add the displayed number to the number in memory. If no number is in 
memory, tap to store the displayed number in memory.
• 
M-:  Tap to subtract the displayed number from the number in memory.
• 
MR:  Tap to replace the displayed number with the number in memory. If the button 
has a white ring around it, there is a number stored in memory.
The stored number remains in memory when you switch between the standard and 
scientific calculators.
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