Texas TI-86 用户手册

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Chapter 20: A to Z Function and Instruction Reference     
311
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 311 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 311 of 118
Lbl
‡ program editor
CTL menu
Lbl 
label
Creates a label of up to eight characters. A program can
use a 
Goto
 instruction to transfer control (branch) to a
specified label.
Program segment, assuming a correct
password has already been stored to the
password
 variable:
  
©
:Lbl Start
:InpSt "Enter password:",PSW
:If PSW
ƒpassword
:Goto Start
:Disp "Welcome"
  
©
lcm(
MATH MISC menu
lcm(
integerA
,
integerB
)
Returns the least common multiple of two nonnegative
integers.
lcm(5,2) b
10
lcm(6,9) b
18
lcm(18,33) b
198
LCust(
‡ program editor
CTL menu
LCust(
item#
,"
title
"
 
[,
item#
,"
title
", ...])
Loads (defines) the TI
N86’s custom menu, which is
displayed when the user presses 9. The menu can
have up to 15 items, shown in three groups of five items.
For each item#/title pair:
• 
item#
 — integer from 1 through 15 that identifies the
item’s position in the menu. The item numbers must
be specified in order, but you can skip numbers.
• 
"
title
"
 — string with up to 8 characters (not counting
the quotes) that will be pasted to the current cursor
location when the item is selected. This can be a
variable name, expression, function name, program
name, or any text string.
Program segment:
  
©
:LCust(1,"t",2,"Q'1",3,"Q'2",4,"R
K",5,"Euler",6,"QI1",7,"QI2",8,"t
Min")
  
©
After executed and when the user presses
9:
InpSt stores input as a string,
so be sure to store a string to
the password variable.