CLEAR DISPLAY DISPLAY DISPLAY DISPLAY DISPLAY MATHPLOT example functions. DISPLAY Press Enter to move on to next function. DISPLAY pause 30 RESET DISPLAY Damped oscillations TITLE Damped oscillations Y = EXP(-.2*X)*COS(X) RANGE 0,6*PI PLOT 30 RESET DISPLAY Second and third order Butterworth filters TITLE Second and third order Butterworth filters Y1=1/SQRT(1+(X/2000)^4) Y2=1/SQRT(1+(X/2000)^6) RANGE 0,8000 NUMPOINTS 100 LABEL ON GRID ON PLOT 30 RESET DISPLAY Fourier series approximation of square wave TITLE Fourier series approximation of square wave Y1 = SIN(X) + SIN(3*X)/3 + SIN(5*X)/5 + SIN(7*X)/7 Y2 = PULSE(0,X,PI) - PULSE(PI,X,2*PI) RANGE .001,2*PI+.001 NUM 200 LABELS ON GRID ON PLOT 30 RESET DISPLAY Cubic equation TITLE Cubic equation: Y = 2*X^3 + 50*X^2 + 100*X + 5000 CTITLE 7 Y=2*X^3+50*X^2+100*X+5000 RANGE -30,18 NUMPOINTS 100 LABEL ON GRID ON PLOT 30 RESET DISPLAY Hyperbolic function: X * Y = 5 TITLE Hyperbolic function: X * Y = 5 Y1=5/T X1=T CF1 2 Y2=-5/T X2=-T CF2 2 RANGE 0.5,10 COMMONSCALE ON PLOT 30 RESET DISPLAY Hypocycloid of four cusps TITLE Hypocycloid of four cusps (Astroid) CTITLE 4 y=SIN(T)^3 x=COS(T)^3 CF1 2 RANGE 0,6.28319 NUMPOINTS 100 CAXES 1 COMMONSCALE ON PLOT 30 RESET DISPLAY Reciprocal of Gamma function TITLE Reciprocal of Gamma function CTITLE 7 y=GAMMAI(X) CF1 2 RANGE -4,6 NUMPOINTS 100 LABEL ON CAXES 3 GRID ON CGRID 8 COMMONSCALE OFF ORIGIN OFF PLOT 30 RESET DISPLAY Normal probability distribution function TITLE Normal probability distribution function Y=NORMAL(X) RANGE -4,4 NUMPOINTS 150 PLOT 30 RESET DISPLAY Now, a little "art" pause 3 R=2*SIN(2*A) CF1 3 RANGE 0,2000 NUMPOINTS 500 AXES OFF PLOT 30 RESET y=SIN(T)^3 x=COS(T)^3 CF1 2 RANGE 0,4000 NUMPOINTS 500 AXES OFF GRID OFF COMMONSCALE ON PLOT 30 RESET y=5*SIN(T)-SIN(5*T) x=5*COS(T)-COS(5*T) CF1 3 RANGE 0,6000 NUMPOINTS 400 AXES OFF COMMONSCALE ON PLOT 30 DISPLAY DISPLAY DISPLAY End of example plots. DISPLAY Type or edit MATHPLOT.FUN to see the function descriptions. DISPLAY The file MATHPLOT.DOC contains a tutorial and full instructions. DISPLAY DISPLAY EXIT