Texas Instruments TI-86 User Manual

Page 231

Chapter 16: Programming

219

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 219 of 16

tested when the

End

instruction is encountered

Menu(

item#

title1

label1

item#

title2

label2

...

)

Sets up branching within a program as selected from menu keys &
through *; when encountered, displays the first of up to 3 menu
groups (up to 15 titles); when you select a title, the program
branches to the label that the title represents; item# is an integer

‚ 1

and

15 that specifies title’s menu placement; title is a text string

from one to eight characters long (may be abbreviated in the menu)

Lbl

label

Assigns a label to a program command; label can be one to eight
characters long, starting with a letter

Goto

label

Transfers control to the program branch labeled with label

IS>(

variable

value

)

Adds 1 to variable; if the answer is > value, the next command is
skipped; if the answer is

value, the next command is executed;

variable

cannot be a built-in variable

DS<(

variable

value

)

Subtracts 1 from variable; if the answer is < value, the next
command is skipped; if the answer is

‚ value, the next command is

executed; variable cannot be a built-in variable

Pause

Halts the program so that you can examine results, including
displayed graphs and tables; to resume the program, press b

Pause

value

Displays value on the home screen so that you can scroll large
values, such as lists, vectors, or matrices; to resume, press b

Return

Exits a subroutine (page 224) and returns to the calling program,
even if encountered within nested loops; within the main program,
stops the program and returns to the home screen (an implied

Return

exits each subroutine upon completion and returns to the calling
program)

Stop

Stops a program and returns to the home screen