HP 50g User's Reference Manual
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Brand: HP
Category: Calculator
Type: Advanced user's reference manual
Model: HP 48gII , HP 49g+ , HP 50G
Pages: 693
1-50 RPL Programming
Labeling Output with Tags
To label a result with a tag:
1.
Put the output object on the stack.
2.
Enter a tag — a string, a quoted name, or a number.
3.
Enter the →TAG command (PRG TYPE menu).
«
…
object tag
→TAG
…
»
→TAG takes two arguments — an object and a tag — from the stack and return a tagged object.
Example:
The following program TTAG is identical to TINPUT, except that it returns the result as
AREA:
value.
Program: Comments:
«
"Key in a, b"
{ ":a::b:" {1 0} V }
INPUT OBJ→
TORSA
"AREA"
Enters the tag (a string).
→TAG
Uses the program result
and string to create the
tagged object.
»
`O
TTAG ‰
Stores the program in
TTAG.
Execute TTAG to calculate the area of a torus of inner radius a = 1.5 and outer radius b = 1.85. The answer is
returned as a tagged object.
J
%TTAG%
1.5 ˜1.85 `
Labeling and Displaying Output as Strings
To label and display a result as a string:
1.
Put the output object on the stack.
2.
Enter the →STR command (PRG TYPE menu).
3.
Enter a string to label the object (with
""
delimiters).
4.
Enter the SWAP + commands to swap and concatenate the strings.
5.
Enter a number specifying the line to display the string on.
6.
Enter the DISP command (PRG OUT menu).
«
…
object
→STR
label
SWAP +
line
DISP
…
»
DISP displays a string without its
""
delimiters.