Texas Instruments TI-86 - Manual (Page 234)

222
Chapter 16: Programming
16PROG.DOC TI-86, Chap 16, US English Bob Fedorisko Revised: 02/13/01 2:36 PM Printed: 02/13/01 3:04 PM Page 222 of 16 16PROG.DOC TI-86, Chap 16, US English Bob Fedorisko Revised: 02/13/01 2:36 PM Printed: 02/13/01 3:04 PM Page 222 of 16 16PROG.DOC TI-86, Chap 16, US English Bob Fedorisko Revised: 02/13/01 2:36 PM Printed: 02/13/01 3:04 PM Page 222 of 16
PROGRAM:FUNCTABL
:Func:Fix 2:FnOff:PlO
ff
:y1=.6 x cos x
:ClLCD
:Eq
4St(y1,STRING)
:Outpt(1,1,"y1=")
:Outpt(1,4,STRING)
:Outpt(8,1,"PRESS ENT
ER")
:Pause
:ClLCD
:y2=der1(y1,x,x)
:y3=der2(y1,x,x)
:DispT
:GrStl(1,1):GrStl(2,2
):GrStl(3,7)
:2¶xRes
:ZTrig
:Trace
The name of the program
Set graphing and decimal modes (mode screen); turn off
functions (
GRAPH VARS menu) and plots ( STAT PLOT menu)
Define the function (assignment statement)
Clear the home screen (
PRGM I à O menu)
Convert y1 into the string variable STRING ( STRNG menu)
Display y1= at row 1, column 1 ( PRGM I à O menu)
Display value stored to STRING at row 1, col. 4 ( PRGM I à O menu)
Display PRESS ENTER at line 8, column 1 ( PRGM I à O menu)
Pause the program ( PRGM CTL menu)
Clear the home screen ( PRGM I à O menu)
Define y2 as the first derivative of y1 ( CALC menu)
Define y3 as the second derivative of y1 ( CALC menu)
Display the table ( PRGM I à O menu)
Set graph styles for y1 , y2 , and y3 ( PRGM CTL menu)
Store 2 to the window variable xRes ( GRAPH WIND menu)
Set the viewing window variables ( GRAPH ZOOM menu)
Display the graph, activate trace cursor, and pause ( GRAPH menu)
Breaking (Interrupting) a Program
To break (interrupt) the program, press ^. The ERROR 06 BREAK menu is displayed.
♦
To display the program editor where the interruption occurred, select GOTO (&).
♦
To return to the home screen, select QUIT (*).