How to Use Calculator on a Mac

Method 1 of 7:

Clearing Numbers

You can clear the number in Calculator's display window or clear only the last digit entered.
To clear the number in the display window, click the C key in Calculator
To delete the last digit entered, press the Delete key on your keyboard.

Method 2 of 7:

Hearing Your Calculations

When using Calculator, you can have the computer speak each button you click and tell you the result of a calculation.
To have the computer speak the value or function of each key you click, choose Speech > Speak Button Pressed.
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

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.
Choose View > Programmer.
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.
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

You can round results by specifying a given number of decimal places.
Choose View > Decimal Places, and then choose the number of decimal places you want displayed.

Method 5 of 7:

Storing Values

To add the displayed value to the value in memory, click M+.
To subtract the displayed value from the value in memory, click M-.
To recall the value in memory and use it in a calculation, click MR.
To clear the memory, click MC.

Method 6 of 7:

Converting Currencies

You can use Calculator to convert currency values from one currency to another.
Enter the original value in Calculator.
Choose Convert > Currency.
Choose the original currency from the From pop-up menu and the currency you want to convert to from the To pop-up menu.
Click OK.

Method 7 of 7:

Converting Units of Measure

Enter the original value in Calculator.
Choose Convert > any measurement category. Categories include Length,Temperature, Power, Speed, and so on.
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.

calculator click choose value

Samuel Daniel

Update 04 March 2020

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