How to Use Calculator on a Mac

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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 problems.

Steps

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    • You should then come to a screen looking like this.
  2. Such as, what is 80 percent of 340.
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Method 1
Method 1 of 7:

Clearing Numbers

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Method 2
Method 2 of 7:

Hearing Your Calculations

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Method 3
Method 3 of 7:

Performing Programmer's Calculations

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  1. It can convert values to hexadecimal, octal, or decimal; perform logical operations; display your results in binary; and rotate or shift bits.
  3. 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. The Paper Tape and memory functions aren’t available for the programmer’s calculator.
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Method 4
Method 4 of 7:

Rounding Calculations

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Method 5
Method 5 of 7:

Storing Values

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Method 6
Method 6 of 7:

Converting Currencies

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  4. 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. 5
    Click OK.
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Method 7
Method 7 of 7:

Converting Units of Measure

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  1. 1
    Enter the original value in Calculator.
  2. 2
    Choose Convert > any measurement category. Categories include Length,Temperature, Power, Speed, and so on.
  3. 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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Community Q&A

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  • Question
    Is it possible to add other currencies or conversions to the calculator?
    Liza Gaylord
    Community Answer
    Not possible, sorry. The calculator that comes installed on Macs is very fixed. You will probably need online calculators to do this. (Google does this very well if you type your needed calculation into the search bar.)
    Thanks! We're glad this was helpful.
    Thank you for your feedback.
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    Yes No
    Not Helpful 0 Helpful 0
  • Question
    The equals sign is gone from my Mac Calculator. How may I restore it?
    Community Answer
    Delete it, then do cmd+space and type calculator. It will pop back up and it will be restored.
    Thanks! We're glad this was helpful.
    Thank you for your feedback.
    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
    Yes No
    Not Helpful 5 Helpful 0
  • Question
    How do I keep my calculator icon in the task bar on my Mac?
    Community Answer
    When you have the app open, right-click on the icon in the task bar and select "Pin to Task Bar."
    Thanks! We're glad this was helpful.
    Thank you for your feedback.
    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
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    Not Helpful 2 Helpful 0
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