How to Use Your Computer's Calculator

Your computer's calculator will perform all the simple or complex tasks that you can do with a desktop calculator. Add, subtract, multiply, divide, calculate formulas and even perform scientific calculations, if you want.

Instructions

Difficulty: Moderately Easy

Things You’ll Need:

• Macintosh Computers
• Computers
• Microsoft Windows

1. Open the calculator. On a PC, it is usually located in the Start menu under Accessories. On a Mac, it's in the Apple menu.
2. Determine the calculation that you want to perform. If it is complex, you might want to write the formula down so you can use it as a reference.
3. Use either the number keypad or the mouse to enter your formula. To add, use the + sign. To divide, use the / sign. To multiply, use the * sign. To subtract, use the - sign.
4. Click on the = sign or hit the Enter key. The answer will appear in the display window.
5. Click on C or CE to clear the calculation, then perform other calculations as desired.
6. To access the scientific calculator, go to the View menu and click on Scientific.
7. Consult the Help file for additional assistance with scientific functions.

Tips & Warnings

• To use the numeric keypad, first hit the Num Lock key.
• Use the % calculator key to express the answer as a percentage.
• Use the sqrt calculator key to calculate the square root of a number.
• It's easy to accidentally key in the wrong number if you have many digits to enter.

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