HP 48gII User Manual
Page 732

Page 22-16
@)PPAR
Show
plot
parameters
~„r` @INDEP
Define ‘r’ as the indep. variable
~„s` @DEPND
Define ‘s’ as the dependent variable
1
\# 10 @XRNG
Define (-1, 10) as the x-range
1
\# 5 @YRNG L
Define (-1, 5) as the y-range
{ (0,0) {.4 .2} “Rs” “Sr”}
Axes definition list
@AXES
Define axes center, ticks, labels
L @)PLOT
Return
to
PLOT
menu
@ERASE @DRAX L @LABEL
Erase picture, draw axes, labels
L @DRAW
Draw function and show picture
@)EDIT L@MENU
Removes
menu
labels
LL@)PICT @CANCL
Returns to normal calculator display
(*) PLOT menu available through user-defined key
C as shown earlier in
this Chapter.
Example 2 – A parametric plot (Use RAD as angles):
„ÌC Get
PLOT
menu
@)PTYPE @PARAM
Select PARAMETRIC as the plot type
{ ‘SIN(t)+i*SIN(2*t)’ }
`
Define complex function X+iY
„ @@EQ@@
Store complex function into EQ
@)PPAR
Show
plot
parameters
{t 0 6.29}
` @INDEP
Define ‘t’ as the indep.variable
~y` @DEPND Define ‘Y’ as the dependent variable
2.2 \# 2.2 @XRNG Define (-2.2,2.2) as the x-range
1.1 \# 1.1 @YRNG L
Define (-1.1,1.1) as the y-range
{ (0,0) {.4 .2} “X(t)” “Y(t)”}
`
Axes definition list
@AXES
Define axes center, ticks, labels
L @)PLOT
Return
to
PLOT
menu
@ERASE @DRAX L @LABEL
Erase picture, draw axes, labels
L @DRAW
Draw function and show picture
@)EDIT L@MENU LL@)PICT @CANCL
Finish plot
Example 3 – A polar plot:
„ÌC Get
PLOT
menu
@)PTYPE @POLAR
Select POLAR as the plot type