Texas Instruments TI-73 EXPLORER, TI-73 Appendix A: Function and Instruction Reference 301

Appendix A: Function and Instruction Reference 301
73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed:
05/19/99 9:03 AM Page 301 of 36
prgmname
8CTRL
Programming command; calls prgmname as a
subroutine in an existing program. name can be a
program not yet created.
PROGRAM:VOLUME
:Input "DIAMETER=",D
:Input "HEIGHT=",H
:prgmAREA
:A¦HÜV
:Disp "VOLUME=",V
:Pause
PROGRAM:AREA
:D/2ÜR
:p¦RÜA
:Return
Prompt variableA[,variableB,]
8I/O
Programming command; displays specified variable
followed by =?. During program execution, at each
prompt, the user enters a value or expression for each
variable, and then presses b. Yn functions are
not valid with Prompt.
PROGRAM:PROMPT
:Prompt Xmin
:Prompt Xmax
:Prompt Ymin
:Prompt Ymax
The calculator adjusts
WINDOW
variable values according to
users input.
Pt-Change(X,Y)
2POINTS
Changes a points status (on or off) at (X,Y).
Pt-Change(
L6,2) b
Pt-Off(X,Y[,mark])
Pt-On(X,Y[,mark])
2POINTS
Erases or draws a point at (X,Y) using mark, (1 = ¦;
2 = ; 3 = +). If mark is omitted, the default mark is
box. If you specified mark to turn on a point with
Pt-On(, you must specify the same mark when turning
it off.
Pt-Off(3,5,2)
b
Pt-On(3,5,2)
b
Pxl-Change(row,column)
2POINTS
Changes a pixels status (on or off) at (row, column);
0row62, and 0column94.
PxlChange(10,75)
b
Pxl-Off(row,column)
Pxl-On(row,column)
2POINTS
Erases or draws a pixel at (row, column); 0row62,
and 0column94.
Pxl-Off(10,75)
b
Pxl-On(10,75)
b