Usage

You can use gtapecalc just like you would most other calculators. The main difference is the output window that will record any calculations that you enter.

3.1 Adding Notes

On each line in the output window you can add notes by selecting the row with the mouse or the arrow keys and clicking in the 'Notes' column of the selected row or by right clicking on the line that you want to add a note to and select 'Add Note' from the menu. A dialog will pop up where you can enter the note you want to add and click 'Insert' to add it to the line. You can also add notes by double-clicking on the line, selecting the line you want with the mouse and using the 'Edit-Add Note' menu entry or by using the arrow keys to highlight the row you want and the spacebar to select it.

3.2 User Preferences

All user preferences can be set using the preferences dialog which is accessed from the 'Edit' menu. They are saved in two files, .gtapecalcrc and .gtapecalcgtkrc which are located in the users home directory. The .gtapecalcrc file is for program specific configuration options, while .gtapecalcgtkrc is for options that can be affected by different gtk themes such as fonts for the buttons and output window. These files are only generated when you click OK in the preferences dialog and are not needed by gtapecalc to operate. They are overwritten every time you save a preference so editing them manually is not recommended. If they don't exist, then the program will start with a default set of preferences which should be adequate for most situations

View

3.2.1 Precision
The Precision option sets the calculator's precision. Any changes made in the Preferences dialog will be saved and used the next time the program is run. Precision can also be set using the options View in the view menu. Changes made here will not be saved for the next session.

3.2.2 Show Column Headers
Show or hide the column headers in the Tape Output window.

3.2.3 Save Current Window Size
Save the current size of the program window along with the sizes of the individual panes. So if you would like to see only the output window and not the buttons, resize the panes to show only the output window and use this option to make gtapecalc start this way all the time.

Fonts

3.2.4 Calculator Font
Sets the font for the calculator display. Currently the display does not resize itself to account for different sized fonts, so choosing a font that is too large for the display may result in numbers not being visible.

3.2.5 Tape Font
Sets the font for the output window.

3.2.6 Button Font
Sets the font for the calculator buttons.
(Note) The system used for setting fonts is something of a tradeoff between being flexible for both the user and with Gtk themes. The problem is that sometimes the fonts aren't always updated correctly-or the theme isn't always updated correctly. However, when the program is restarted the correct font and theme will be shown.

Printing

3.2.7 Print Command
Use this option to set the name of the printer command for your system. The default is lpr so for most systems this should be fine.

3.2.8 Page Width
Sets the width of the page to be printed in characters. Use this option to adjust the width of the printed page.

3.2.9 Column Width
Sets the width of the Notes column. Use this option to balance out the widths of the printed columns to your personal preference. The default setting is one- half the Page Width setting.

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