Visual QuickStart Guide [Electronic resources] : Mac OS X 10.4 Tiger

Maria Langer

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Calculator

Calculator displays a simple calculator that can perform addition, subtraction, multiplication, and division, as well as complex mathematical calculations and conversions.

To launch Calculator

Double-click the Calculator icon in the Applications folder (Figure 1 ).

Or

1.

Click the Calculator icon in the Applications folder (Figure 1 ) to select it.

2.

Choose File > Open, or press .

The Calculator window appears (Figure 38 ).

Figure 38. The Calculator looks and works like a $10 pocket calculator.

To perform basic calculations

Use your mouse to click buttons for numbers and operators.

Or

Press keyboard keys corresponding to numbers and operators.

The numbers you enter and the results of your calculations appear at the top of the Calculator window.

Chapter 9 covers the Cut, Copy, and Paste commands.

To keep track of your entries

Choose View > Show Paper Tape (Figure 39 ). The Paper Tape window appears. It displays your entries as you make them (Figure 40 ).

Figure 39. Calculator's View menu.

Figure 40. When you choose Show Paper Tape from the View menu, your entries appear in a separate window.

Tips

    To hide the Paper Tape window, choose View > Hide Paper Tape or click the Paper Tape window's close button.

    To start with a fresh tape, click the Clear button.

    You can use commands under the File menu (Figure 41 ) to save or print the paper tape.

    Figure 41. The File menu includes commands for saving and printing the paper tape.

To perform scientific calculations

1.

Choose View > Scientific (Figure 39 ) or press . The window expands to show a variety of functions used for scientific calculations (Figure 42 ).

Figure 42. Choosing Scientific from the View menu expands the Calculator to display scientific functions.

2.

Click buttons for the functions, values, and operators to perform your calculations.

Tip

    To hide scientific functions, choose View > Basic (Figure 39 ) or press .

To perform programmer functions

1.

Choose View > Programmer (Figure 39 ) or press . The window expands to show a variety of programming-related functions (Figure 43 ).

Figure 43. Choosing Programmer from the View menu displays programming-related functions.

2.

Click buttons for the functions, values, and operators to perform your calculations.

Tip

    To hide programmer functions, choose View > Basic (Figure 39 ) or press .

To use Reverse Polish Notation

1.

Choose View > RPN (Figure 39 ). The letters RPN appear in the calculator's window (Figure 44 ).

Figure 44. The letters RPN indicate the calculator is configured for Reverse Polish Notation.

2.

Click buttons for the functions, values, and operators to perform your calculations.

Tips

    Reverse Polish Notation, or RPN, is an alternative format for entering calculations. It is commonly used on Hewlett-Packard brand calculators.

    If you don't know what Reverse Polish Notation is, you probably don't need to use it.

To perform conversions

1.

Enter the value you want to convert.

2.

Choose the conversion you want from the Convert menu (Figure 45 ).

Figure 45. The Convert menu lists a variety of common conversions.

3.

In the dialog that appears, set options for the conversion you want to perform.

Figure 46 shows an example that converts speed from miles per hour to knots.

Figure 46. Set conversion options in a dialog sheet like this.

4.

Click OK. The original value you entered is converted and appears at the top of the Calculator window.