HP Prime for All

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Hat graphics-app screenshot}}
Name Hat
Description Plots a hat.
Author Unknown

Source code (download):

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EXPORT HAT() BEGIN P := 0; B := TICKS; RECT_P(); C := 3.1415/180; FOR R FROM 30 TO 330 STEP 5 DO FOR T FROM 0 TO 360 STEP 3 DO X := R*COS(T) * 0.3; Y := R*SIN(R) * 0.3; Z := R*SIN(T) * 0.3; X1 := X + (COS(15) * Z); Y1 := Y + (SIN(15) * Z); PIXON_P(X1+160, 70-Y1); P := P+1; END; END; E := TICKS; FREEZE; END;

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