Texas Instruments TITANIUM TI-89 User Manual

Page 611

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Programming

611

You can then begin entering the commands that will be executed in the loop.

Note:

A loop command marks the start of the loop. The corresponding

End

command

marks the end of the loop.

For...EndFor Loops

For...EndFor Loops

For...EndFor Loops

For...EndFor Loops

A

For...EndFor loop

uses a counter to control the number of times the loop is repeated.

The syntax of the

For

command is:

Note:

The ending value can be less than the beginning value, but the increment must be

negative.

When you select a loop, the loop command
and its corresponding

End

command are

inserted at the cursor location.

:For |

Ê

:EndFor

Ê

If the loop requires

arguments, the cursor
is positioned after the
command.

For(variable

,

begin

,

end

[,

increment

]

)

Ê

variable used as a counter

Ë

counter value used the first time For is executed

Ì

exits the loop when variable exceeds this value

Í

added to the counter each subsequent time For is executed

К

Л

М

Н

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