Compaq AA-Q88CE-TE - Manual (Page 262)

Creating Monitor Pictures
A.3 Arithmetic Expressions and Operators
Table A–3 Arithmetic Operators in Display Commands
Characters Meaning
- Minus
+ Plus
* Multiply
/ Divide
& Logical AND
| Logical OR
<= Less than or equal
>= Greater than or equal
!= Not equal
<> Not equal
< Less than
> Greater than
= Equal
Example A–2 shows how these operators are used.
Example A–2 Arithmetic Operators Examples
RTR> DISPLAY NUMERIC RTR_SOME_DATA_ITEM+2 1
RTR> MONITOR
RTR> DISPLAY NUMERIC RTR_SOME_DATA_ITEM
_RTR> /SELECT="RTR_SOME_OTHER_DATA_ITEM>42"
2
RTR> MONITOR
RTR> DISPLAY NUMERIC RTR_SOME_DATA_ITEM
_RTR> /SELECT="RTR_SOME_OTHER_DATA_ITEM>42" -
_RTR> /BOLD="RTR_SOME_OTHER_DATA_ITEM>84"
-
_RTR> /UNDERLINE="RTR_SOME_OTHER_DATA_ITEM>=1952" 3
RTR> MONITOR
RTR> DISPLAY SYMBOLIC RTR_SOME_DATA_ITEM "zero","one" -
_RTR> "two","three","four,"five","six"/BLINK
4
1 Two is added to the value of RTR_SOME_DATA_ITEM before displaying it.
2 RTR_SOME_DATA ITEM is only displayed if RTR_SOME_OTHER_DATA_
ITEM is greater than 42.
3 Same as the one above, but displayed in bold if RTR_SOME_OTHER_DATA_
ITEM is greater than 84, and underlined if its greater than 1952.
4 The value of RTR_SOME_DATA_ITEM is displayed in text form if it is less
than six, otherwise it is displayed as a numeric.
A–4 Creating Monitor Pictures