HP 50g User's Reference Manual
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Brand: HP
Category: Calculator
Type: Advanced user's reference manual
Model: HP 48gII , HP 49g+ , HP 50G
Pages: 693
RPL Programming Examples 2-33
TSA (Animating Taylor’s Polynomials)
TSA displays in succession each graphics object created in SETTS.
Techniques used in TSA
Passing a global variable. Because SETTS takes several minutes to execute, TSA does not call SETTS. Instead,
you must first execute SETTS to create the global variable TSL containing the list of graphics objects. TSA
simply executes that global variable to put the list on the stack.
ANIMATE. TSA uses the ANIMATE command to display in succession each graphics object from the list.
TSA program listing
Program: Comments:
«
TSL OBJ→
Puts the list TSL on the
stack and converts it to 10
graphics objects and the list
count.
{ { #0 #0 } .5 0 } +
Set up the parameters for
ANIMATE.
ANIMATE
Displays the graphics in
succession.
11 DROPN
Removes the graphics objects
and list count from the stack.
»
`
OTSA K
Stores the program in TSA.
Checksum: # 24644d
Bytes: 92.5
Example:
Execute SETTS and TSA to build and display in succession a series of Taylor’s polynomial
approximations of the sine function.
Ensure Radians mode is set and execute SETTS to build the list of graphics objects. (SETTS takes several minutes
to execute.) Then execute TSA to display each plot in succession. The display shows TSA in progress.
!
&
H %!ANGLE% %!RAD%
( if necessary)
J
%SETTS%
%TSA%
Press
−
to stop the animation. Press
!
&
H %!ANGLE% %!DEG%
to restore Degrees mode if desired.