Texas TI-86 用户手册
Chapter 20: A to Z Function and Instruction Reference
345
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 345 of 118
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 345 of 118
Repeat
‡ program editor
CTL menu
(Repea shows
on menu)
(Repea shows
on menu)
:Repeat
condition
:
commands-to-repeat
:End
:
:
commands
Executes commands-to-repeat until condition is true.
Program segment:
©
:6¶N
:1¶Fact
:Repeat N<1
: Fact¹N¶Fact
: N
:1¶Fact
:Repeat N<1
: Fact¹N¶Fact
: N
N
1¶N
:End
:Disp "6!=",Fact
:Disp "6!=",Fact
©
Return
‡ program editor
CTL menu
(Retur shows
on menu)
(Retur shows
on menu)
Return
In a subroutine, exits the subroutine and returns to the
calling program. In the main program, stops execution
and returns to the home screen.
calling program. In the main program, stops execution
and returns to the home screen.
Program segment in the calling program:
©
:Input "Diameter:",DIAM
:Input "Height:",HT
:AREACIRC
:VOL=AREA¹HT
:Disp "Volume =",VOL
:Input "Height:",HT
:AREACIRC
:VOL=AREA¹HT
:Disp "Volume =",VOL
©
AREACIRC subroutine program:
PROGRAM:AREACIRC
:RADIUS=DIAM/2
:AREA=
:RADIUS=DIAM/2
:AREA=
p¹RADIUS
2
:Return
RK
† graph format screen
(scroll down to
second screen)
second screen)
RK
In
DifEq
graphing mode, uses an algorithm based on the
Runge-Kutta method to solve differential equations.
Typically,
Typically,
RK
is more accurate than
Euler
but takes
longer to find the solutions.