16–14 Programming
82E978~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:47 PM Printed: 10/27/05 3:02
PM Page 14 of 22
DS<( (decrement and skip) subtracts 1 from variable. If the
answer is < value (which can be an expression), the next
command is skipped; if the answer is | value, the next command
is executed. variable cannot be a system variable.
:DS<(variable,value)
:
command (if answer ‚ value)
:command (if answer < value)
Program Output
Note: DS<( is not a looping instruction.
Menu( sets up branching within a program. If Menu( is
encountered during program execution, the menu screen is
displayed with the specified menu items, the pause indicator is
on, and execution pauses until you select a menu item.
The menu title is enclosed in quotation marks (
" ). Up to seven
pairs of menu items follow. Each pair comprises a text item
(also enclosed in quotation marks) to be displayed as a menu
selection, and a label item to which to branch if you select the
corresponding menu selection.
Menu("title","text1",label1,"text2",label2, . . .)
Program Output
The program above pauses until you select 1 or 2. If you select
2, for example, the menu disappears and the program continues
execution at
Lbl B.
PRGM CTL (Control) Instructions (continued)
DS<(
Menu(
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