Calculator User Manual

Chapter 20: A to Z Function and Instruction Reference
297
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 297 of 11820ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 297 of 118
FnOff
Deselects all equation function numbers.
FnOff
b
Done
FnOn
† GRAPH VARS menu
FnOn function#,function#,
...
Selects the specified equation function numbers, in
addition to any others already selected.
FnOn 1,3
b
Done
FnOn
Selects all equation function numbers.
FnOn
b
Done
For(
‡ program editor
CTL menu
:For(variable,begin,end,step)
or
:For(variable,begin,end)
:loop :loop
:End :End
:commands :commands
Executes the commands in
loop
iteratively, where the
number of repetitions is controlled by
variable
. The first
time through the loop,
variable
=
begin
. At the
End
of
the loop,
variable
is incremented by
step
. The loop is
repeated until
variable
>
end
. If you do not specify
step
,
the default is 1.
You can specify values such that
begin
>
end
. If so, be
sure to specify a negative
step
.
Program segment:
©
For(A,0,8,2)
Disp A
2
End
©
Displays 0, 4, 16, 36, and 64.
©
For(A,0,8)
Disp A
2
End
©
Displays 0, 1, 4, 9, 16, 25, 36, 49, and 64.