Preferences dialog

1. Function

Preferences allow you to tune the calculator behavior according to your needs.

Fig. 1. Preferences.

2. Options

Preferences dialog has three groups that affect the behavior of Keypad and Log and the Calculation workflow.

In Keypad group you can adjust what is entered into editor window on Keypad button clicks.

	Option	Description
1	Append power ^ with parenthese	Check the box if you wish power function ^ automatically to be appended with parenthese.
2	Notation	In the combo-box select the preferable function notation. For differences between notations see Set West/East Notation command.

Table. 1. Keypad options.

Log group controls the behavior of the Log. If Pop-up on new message if hidden checked, then the Log is automatically displayed when new message is inserted by calculator during evaluation.

Calculation group affects the expression evaluation.

	Option	Description
1	Trigonometric units	In the combo-box select the units for trigonometric function argument and inverse trigonometric function result.
2	Memory free confirmation	Check the box to set protection for memory free command, and every time you perform the command you will be asked for confirmation.
3	Clear confirmation	Check the box to set protection for clear command, and every time you perform the command you will be asked for confirmation.
4	Use SSE2 processor module	Check the box to engage SSE2 processor module for calculations. Using SSE2 improves performance, but affects the accuracy, becase SSE2 uses 64 bits for intermediate calculations against default 80. SSE2 status dispalyed in Status bar.

Table. 2. Calculation options.

The Trigonometric units combo contains three items:

	Item	Full circle
1	Radians	2π
2	Degrees	360°
3	Grads	400 grads

Table. 3. Trigonometric units.

	Dialog 1 About Calculator
	Dialog 2 Choose Color
	Dialog 3 Choose Font
	Dialog 4 File Save As
	Dialog 5 Open File
	Dialog 6 Page Setup
	Dialog 7 Preferences
	Dialog 8 Print
	Dialog 9 Printing
	Dialog 10 Trigonomentric Units