  This file is the on line help file for the DrawFunc program
The help is available for each menu via the PrintHelpMenu(s1,s2) routine in
t4105gen.c file. String s1 must hold the file name of the help (this file) and
string s2 must hold the name of menu in CAPITAL LETTERS. Each menu help is
terminated by a $ sign as first char in line. Lines starts with * sign are
referred as headlines and printed in different color.

MAINMENU
*  Main Menu

* Get Function
Enter loading function sub menu - Y = F(x), XY = F(t), F <- F'
*  First der.
Toggle drawing of first derivative
*  Second der.
Toggle drawing of second derivative
*  Third der.
Toggle drawing of third derivative
*  Set Scale
Enter Set Scaling sub menu - Set scaling modes, values, and sampling rate
*   Redraw
Redraw the screen. Use it if auto scale is on to rescale the screen.
*    Help
These notes
*    Exit
Exit from the program.
$

GETFUNCTION
*Get Function Menu

*  Y = F(x)
Enter X as function of Y. Also requested Xmin,Xmax (can be modified via Set Scale submenu).
*X = F(t), Y = F(t)
Enter X,Y as function of T. Also requested Tmin,Tmax.
* Deriv -> Func.
Make the first derivative be the base function. Extremum values are not affected.
*    Help
These notes
*    Exit
Returns to main menu.
$

SETSCALE
* Set Scale Menu

*  Auto Scale
Toggle AutoScaling ON/OFF. When ON, the extremum values are adapted according to last drawing. Use redraw to update.
*    Xmin
Set new Xmin value. Current value is shown.
*    Xmax
Set new Xmax value. Current value is shown.
*    Ymax
Set new Ymax value. Current value is shown.
*NumOfSamples
Set Number of samples per one function drawing. Current value is shown.
*    Tmin
Set new Domain min. value. Note that in Y = f(X) case it is equal to Xmin. Current value is shown
*    Tmax
Set new Domain max. value. Note that in Y = f(X) case it is equal to Xmax. Current value is shown
*    Help
These notes
*    Exit
Returns to main menu
$
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