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How to Use Calculator on a Mac

Imagine that you need a calculator and you don't have one handy right now. Just flip out your iPhone, iTouch, or your mac to get access to calculating math problems instantly. This application and app is a great and neat way to do math...
Method 1 of 7:

Clearing Numbers

  1. How to Use Calculator on a Mac Picture 1How to Use Calculator on a Mac Picture 1
    You can clear the number in Calculator's display window or clear only the last digit entered.
  2. How to Use Calculator on a Mac Picture 2How to Use Calculator on a Mac Picture 2
    To clear the number in the display window, click the C key in Calculator
  3. How to Use Calculator on a Mac Picture 3How to Use Calculator on a Mac Picture 3
    To delete the last digit entered, press the Delete key on your keyboard.
Method 2 of 7:

Hearing Your Calculations

  1. How to Use Calculator on a Mac Picture 4How to Use Calculator on a Mac Picture 4
    When using Calculator, you can have the computer speak each button you click and tell you the result of a calculation.
  2. How to Use Calculator on a Mac Picture 5How to Use Calculator on a Mac Picture 5
    To have the computer speak the value or function of each key you click, choose Speech > Speak Button Pressed.
  3. How to Use Calculator on a Mac Picture 6How to Use Calculator on a Mac Picture 6
    To have the computer speak the result of a calculation when you click the Equal Sign key (=), choose Speech > Speak Result.
Method 3 of 7:

Performing Programmer's Calculations

  1. How to Use Calculator on a Mac Picture 7How to Use Calculator on a Mac Picture 7
    The programmer's calculator performs calculations that programmers frequently use. It can convert values to hexadecimal, octal, or decimal; perform logical operations; display your results in binary; and rotate or shift bits.
  2. How to Use Calculator on a Mac Picture 8How to Use Calculator on a Mac Picture 8
    Choose View > Programmer.
  3. How to Use Calculator on a Mac Picture 9How to Use Calculator on a Mac Picture 9
    The programmer's calculator works with integers only. There is no decimal point. If a computation results in a floating-point number, the decimal is truncated. For example, if you enter 99 / 10 =, the result is 9.
  4. How to Use Calculator on a Mac Picture 10How to Use Calculator on a Mac Picture 10
    The Decimal Places setting in the View menu doesn't affect the programmer's calculator. The Paper Tape and memory functions aren't available for the programmer's calculator.
Method 4 of 7:

Rounding Calculations

  1. How to Use Calculator on a Mac Picture 11How to Use Calculator on a Mac Picture 11
    You can round results by specifying a given number of decimal places.
  2. How to Use Calculator on a Mac Picture 12How to Use Calculator on a Mac Picture 12
    Choose View > Decimal Places, and then choose the number of decimal places you want displayed.
Method 5 of 7:

Storing Values

  1. How to Use Calculator on a Mac Picture 13How to Use Calculator on a Mac Picture 13
    To add the displayed value to the value in memory, click M+.
  2. How to Use Calculator on a Mac Picture 14How to Use Calculator on a Mac Picture 14
    To subtract the displayed value from the value in memory, click M-.
  3. How to Use Calculator on a Mac Picture 15How to Use Calculator on a Mac Picture 15
    To recall the value in memory and use it in a calculation, click MR.
  4. How to Use Calculator on a Mac Picture 16How to Use Calculator on a Mac Picture 16
    To clear the memory, click MC.
Method 6 of 7:

Converting Currencies

  1. How to Use Calculator on a Mac Picture 17How to Use Calculator on a Mac Picture 17
    You can use Calculator to convert currency values from one currency to another.
  2. How to Use Calculator on a Mac Picture 18How to Use Calculator on a Mac Picture 18
    Enter the original value in Calculator.
  3. How to Use Calculator on a Mac Picture 19How to Use Calculator on a Mac Picture 19
    Choose Convert > Currency.
  4. Choose the original currency from the From pop-up menu and the currency you want to convert to from the To pop-up menu.
  5. Click OK.
Method 7 of 7:

Converting Units of Measure

  1. Enter the original value in Calculator.
  2. Choose Convert > any measurement category. Categories include Length,Temperature, Power, Speed, and so on.
  3. Choose the original unit of measure from the From pop-up menu and the unit of measure you want to convert to from the To pop-up menu.
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