HP Prime Graphing Wireless Calculator Manuel d'utilisateur télécharger pdf (Page 634)

DRAWPATTERN()

xincr,yincr,color;

STARTAPP("Function");

xincr := (Xmax - Xmin)/318;

yincr := (Ymax - Ymin)/218;

FOR X FROM Xmin TO Xmax STEP xincr DO

FOR Y FROM Ymin TO Ymax STEP yincr DO

color := RGB(X^3 MOD 255,Y^3 MOD 255, TAN(0.1*(X^3+Y^3)) MOD 255);

PIXON(X,Y,color);

Syntax: FOR var FROM start DOWNTO nish DO commands END;

Sets variable var to start, and for as long as this variable is more than or equal to nish, executes the

sequence of commands, and then subtracts 1 (decrement) from var.

FOR STEP DOWN

Syntax: FOR var FROM start DOWNTO nish [STEP increment] DO commands END;

586 Chapter 28 Programming in HP PPL

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HP Prime Graphing Wireless Calculator Manuel d'utilisateur Page 634