Using GNOME Calculator
GNOME Calculator can be used to perform any of the calculations that you would normally use a scientific calculator or slide-rule for, or to replace the trignometric and logarithmic tables generally found in the appendix of science textbooks. It is intended as a GNOME replacement for xcalc.
Basic usage
Starting GNOME Calculator opens the Main window, shown in Figure 1.
To perform calculations, type in the numbers using the number keys on your keyboard, or use the 0 through 9 buttons on the main window, and the operator buttons surrounding them.
Menus
The menu bar, located at the top of the Main Window, contains the following menus:
- File
Quit (Ctl-Q) which exits from GNOME Calculator.
- Edit
Edit (Ctl-C) which copies the current display.
- Help
About — shows basic information about GNOME Calculator, such as the author's name and the application version number.
Buttons
The buttons, located on the Main Window, are as follows:
- 1/x
Inverts the current display.
Example 1. 1/x>
When 10 is displayed, pressing 1/x will cause GNOME Calculator to display 0.1.
- x^2
Raises the current display to the second power.
Example 2. x^2
When 5 is displayed, pressing