TI -86 用户手册

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     Chapter 20: A to Z Function and Instruction Reference
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 300 of 118
getKy
‡ program editor
I/O menu
getKy
Returns the key code for the last key pressed. If no key
has been pressed, 
getKy
 returns 
0
. Refer to the TI
-86
key code diagram in Chapter 16.
Program:
PROGRAM:CODES
:Lbl TOP
:getKy¶KEY
:While KEY==0
: getKy¶KEY
:End
:Disp KEY
:Goto TOP
To break the program, press ^ and then *.
Goto
‡ program editor
CTL menu
Goto 
label
Transfers (branches) program control to the label
specified by an existing 
Lbl
 instruction.
Program segment:
  
©
:0¶TEMP:1¶J
:Lbl TOP
:TEMP+J¶TEMP
:If J<10
:Then
: J+1¶J
: Goto TOP
:End
:Disp TEMP
  
©
Greater than:
 > 
TEST menu
numberA
 
>
 
numberB
   or   
(
expressionA
)
 
>
 
(
expressionB
)
Tests whether the condition is true or false. The
arguments must be real numbers.
• 
If true (numberA > numberB), returns 
1
.
• 
If false (numberA 
 numberB), returns 
0
.
2>0 b
1
88>123 b
0
L
5>
L
5 b
0
(20¹5/2)>(18¹2) b
1