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This program displays graphs of 2D and 3D functions and solves equations. 2D graphs include following features: Up to two functions may be displayed at one time. On the same screen, integral and derivative curves for the main function can be displayed as well. Extreme values of functions can be found. Indefinite areas can be marked. Also, the program calculates Y value for a given X and all X values for a given Y. Maximal effort has been made to make all calculations and drawings efficient, as well as precise (e.g., functions like tan(x) are drawn with all points that fit on the screen and without extra lines). Solutions of equations of type F(x,y)=0 can be displayed graphically.Features of 3D graphs: Graphs can be viewed with user defined light and surface settings, like direction of light vector, fog intensity, ambient light intensity and degree of specular reflection. They can be rotated to any position. Preview for light settings and rotation is available. All images (and their fragments) can be copied to clipboard, saved to .BMP file and printed. Print preview is included. User entries for functions are saved to a file and available for subsequent runs of the program. Help is provided and covers most of the topics.
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