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HP-12C gets 'Entry-RPN' or Error in the QSG?
07-06-2014, 02:56 PM
Post: #21
RE: HP-12C gets 'Entry-RPN' or Error in the QSG?
(07-06-2014 01:31 PM)CosmicTruth Wrote:  this gets "too fue arguments" error also

Only on inferior hardware. Tongue

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07-06-2014, 04:51 PM
Post: #22
RE: HP-12C gets 'Entry-RPN' or Error in the QSG?
(07-06-2014 12:44 PM)RMollov Wrote:  (…)
On the OP issue : regardless of the poor wording, one quickly figures out the ENTER behavior;
I've seen (lots of) not-needed ENTERs only in novice's programs.

One might ask why so many novices use (lots of) not-needed ENTERs in their programs. For a possible answer see my other post:

ENTER↑ is a misnomer, long live ENTER:

Hans
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07-07-2014, 02:26 AM (This post was last modified: 07-07-2014 02:36 AM by CosmicTruth.)
Post: #23
RE: HP-12C gets 'Entry-RPN' or Error in the QSG?
(07-06-2014 12:44 PM)RMollov Wrote:  I'd do:
3.7 ENTER ENTER * +
(shortest finger travel)
Wink

lets see...

3.7 [ENTER] [ENTER] the stack has 3.7 and 3.7 in level 1 and 2 nothing in the command line
* now the stack has 13.69 in the level 1 and nothing else
+ trying to add 13.69 to nothing gives error.

RPN... Superior Smile

so i'd do 3.7 ENTER ENTER ENTER * + then i get 17.39 (using RPN)
or
3.7 x^2 3.7 +
17.39

but really this post is about a difference in 2 manuals that say the same thing in different ways. you don't have to press enter sometimes if you already have the number out of the command line and in the stack and your doing a math function to it.

Pressing [enter] is optional after entering a number, if the next key
pressed is an operation.

NOTE: pressing [Input] or [=] is optional after keying in a number, if the next key
pressed is an operation.

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07-07-2014, 05:36 AM
Post: #24
RE: HP-12C gets 'Entry-RPN' or Error in the QSG?
(07-06-2014 12:44 PM)RMollov Wrote:  I've seen (lots of) not-needed ENTERs only in novice's programs.

An HP-41 program recently posted to the HP-41 Software Library contains this interesting sequence:

RCL 04
RCL X
+

Smile

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07-07-2014, 09:51 AM (This post was last modified: 07-07-2014 09:55 AM by RMollov.)
Post: #25
RE: HP-12C gets 'Entry-RPN' or Error in the QSG?
(07-07-2014 02:26 AM)CosmicTruth Wrote:  
(07-06-2014 12:44 PM)RMollov Wrote:  I'd do:
3.7 ENTER ENTER * +
(shortest finger travel)
Wink

lets see...

3.7 [ENTER] [ENTER] the stack has 3.7 and 3.7 in level 1 and 2 nothing in the command line
* now the stack has 13.69 in the level 1 and nothing else
+ trying to add 13.69 to nothing gives error.

RPN... Superior Smile

so i'd do 3.7 ENTER ENTER ENTER * + then i get 17.39 (using RPN)
or
3.7 x^2 3.7 +
17.39

but really this post is about a difference in 2 manuals that say the same thing in different ways. you don't have to press enter sometimes if you already have the number out of the command line and in the stack and your doing a math function to it.

Pressing [enter] is optional after entering a number, if the next key
pressed is an operation.

NOTE: pressing [Input] or [=] is optional after keying in a number, if the next key
pressed is an operation.
Just for you:
In RPL you need another ENTER. One more key press on the same key. Heaps better than your solution.
Joe's example addresses your problem in a way.
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