Post Reply 
CAS command question
01-06-2017, 08:46 PM (This post was last modified: 01-07-2017 12:29 PM by compsystems.)
Post: #46
RE: CAS command question
(01-06-2017 08:27 PM)Han Wrote:  You keep forgetting that the parser, like with almost any other CAS software, will generally evaluate its input. Evaluation of a quoted expression results in an unquoted expression. The net effect is essentially stripping the quotation. So copying the result would be copying an unquoted expression, which is why [up key][copy] gives you 3+4 on the command line, and not '3+4'. Try [up key] twice before copying..

I think it gives more power to the calculator if the expressions between ' ' are not evaluated (expression unchanged and un-evaluated.), for that there is the command EVAL, SIMPLIFY, COLLECT and others, if the expressions are maintained as they are, I could produce programs step by step much more easily, without make long codes and converting to strings

Why not do this in hp-prime? YOU or HP-TEAM AGREE?

case 1:
INPUT
EXPR
OUTPUT
EVAL(EXPR) // OK

case2:
INPUT
'EXPR'
OUTPUT
'EXPR' and not EVAL('EXPR')

or at least one system flag
EVALUATE EXPRESSION BETWEEN ' ' (ON CAS HISTORY) yes/no

================

When defining a function where the expression is between ' ', in the history is displayed with quotes

F1(x):='sin(x)'; ⇨ 'sin(x)'
[up key] QUOTE(sin(X))
right(F1); ⇨ QUOTE(sin(X))
left(F1); ⇨ QUOTE(sin(X))

F1(90); ⇨ sin(90)
Find all posts by this user
Quote this message in a reply
Post Reply 


Messages In This Thread
CAS command question - DrD - 01-02-2017, 06:44 PM
RE: CAS command question - Arno K - 01-02-2017, 09:55 PM
RE: CAS command question - parisse - 01-03-2017, 07:24 AM
RE: CAS command question - DrD - 01-03-2017, 11:33 AM
RE: CAS command question - Han - 01-04-2017, 03:06 PM
RE: CAS command question - DrD - 01-04-2017, 03:46 PM
RE: CAS command question - Han - 01-04-2017, 04:01 PM
RE: CAS command question - DrD - 01-04-2017, 08:37 PM
RE: CAS command question - Han - 01-05-2017, 02:07 AM
RE: CAS command question - matthiaspaul - 01-03-2017, 10:54 PM
RE: CAS command question - compsystems - 01-04-2017, 03:23 AM
RE: CAS command question - John P - 01-04-2017, 11:09 PM
RE: CAS command question - Arno K - 01-03-2017, 08:09 AM
RE: CAS command question - parisse - 01-03-2017, 04:42 PM
RE: CAS command question - parisse - 01-04-2017, 07:07 AM
RE: CAS command question - DrD - 01-04-2017, 11:19 AM
RE: CAS command question - Han - 01-04-2017, 02:46 PM
RE: CAS command question - compsystems - 01-04-2017, 12:56 PM
RE: CAS command question - DrD - 01-04-2017, 02:53 PM
RE: CAS command question - Han - 01-04-2017, 03:51 PM
RE: CAS command question - DrD - 01-04-2017, 03:32 PM
RE: CAS command question - compsystems - 01-04-2017, 05:08 PM
RE: CAS command question - parisse - 01-04-2017, 08:25 PM
RE: CAS command question - Arno K - 01-04-2017, 11:56 PM
RE: CAS command question - parisse - 01-05-2017, 07:46 AM
RE: CAS command question - Arno K - 01-05-2017, 08:54 AM
RE: CAS command question - DrD - 01-05-2017, 11:38 AM
RE: CAS command question - compsystems - 01-05-2017, 12:46 PM
RE: CAS command question - DrD - 01-05-2017, 02:28 PM
RE: CAS command question - Han - 01-05-2017, 04:49 PM
RE: CAS command question - DrD - 01-06-2017, 05:59 PM
RE: CAS command question - Han - 01-06-2017, 08:11 PM
RE: CAS command question - parisse - 01-05-2017, 07:31 PM
RE: CAS command question - compsystems - 01-05-2017, 08:08 PM
RE: CAS command question - Han - 01-05-2017, 09:07 PM
RE: CAS command question - Han - 01-05-2017, 09:20 PM
RE: CAS command question - Alberto Candel - 01-05-2017, 10:02 PM
RE: CAS command question - compsystems - 01-05-2017, 10:46 PM
RE: CAS command question - Alberto Candel - 01-05-2017, 11:05 PM
RE: CAS command question - Han - 01-05-2017, 11:53 PM
RE: CAS command question - chromos - 01-06-2017, 06:57 PM
RE: CAS command question - DrD - 01-06-2017, 08:28 PM
RE: CAS command question - Han - 01-06-2017, 08:37 PM
RE: CAS command question - John P - 01-08-2017, 11:15 PM
RE: CAS command question - parisse - 01-07-2017, 07:52 AM
RE: CAS command question - compsystems - 01-06-2017, 06:59 PM
RE: CAS command question - Han - 01-06-2017, 08:27 PM
RE: CAS command question - compsystems - 01-06-2017 08:46 PM
RE: CAS command question - DrD - 01-07-2017, 11:25 AM
RE: CAS command question - parisse - 01-07-2017, 08:15 PM
RE: CAS command question - DrD - 01-07-2017, 10:54 PM
RE: CAS command question - DrD - 01-08-2017, 05:27 PM
RE: CAS command question - parisse - 01-09-2017, 06:43 AM
RE: - compsystems - 01-07-2017, 01:02 PM
RE: CAS command question - Dirk.nl - 01-07-2017, 09:32 PM
RE: CAS command question - parisse - 01-08-2017, 07:11 AM
RE: CAS command question - DrD - 01-08-2017, 09:47 AM
RE: CAS command question - compsystems - 01-08-2017, 04:17 PM
RE: CAS command question - DrD - 01-08-2017, 08:26 PM
RE: CAS command question - compsystems - 01-08-2017, 06:48 PM
RE: CAS command question - parisse - 01-09-2017, 04:43 PM
RE: CAS command question - DrD - 01-09-2017, 06:09 PM
RE: CAS command question - parisse - 01-09-2017, 06:58 PM
RE: CAS command question - Han - 01-09-2017, 07:29 PM
RE: CAS command question - DrD - 01-09-2017, 10:57 PM
RE: CAS command question - Han - 01-10-2017, 05:44 AM
RE: CAS command question - parisse - 01-10-2017, 07:58 AM
RE: CAS command question - DrD - 01-10-2017, 10:53 AM
RE: CAS command question - Han - 01-10-2017, 03:33 PM
RE: CAS command question - parisse - 01-10-2017, 06:58 PM
RE: CAS command question - Han - 01-10-2017, 09:14 PM
RE: CAS command question - compsystems - 01-10-2017, 08:26 PM
RE: CAS command question - parisse - 01-11-2017, 06:46 AM
RE: CAS command question - DrD - 01-11-2017, 02:18 PM
RE: CAS command question - Han - 01-11-2017, 08:19 PM
RE: CAS command question - parisse - 01-11-2017, 05:40 PM
RE: CAS command question - DrD - 01-12-2017, 11:14 AM
RE: CAS command question - Arno K - 01-12-2017, 12:44 PM
RE: CAS command question - parisse - 01-12-2017, 07:29 PM
RE: CAS command question - DrD - 01-12-2017, 08:44 PM
RE: CAS command question - Arno K - 01-12-2017, 10:11 PM
RE: CAS command question - parisse - 01-13-2017, 06:54 AM
RE: CAS command question - DrD - 01-13-2017, 10:52 AM
RE: CAS command question - Han - 01-13-2017, 03:12 PM
RE: CAS command question - DrD - 01-13-2017, 04:47 PM
RE: CAS command question - parisse - 01-13-2017, 09:18 PM
RE: CAS command question - DrD - 01-13-2017, 10:36 PM
RE: CAS command question - parisse - 01-14-2017, 06:44 AM
RE: CAS command question - compsystems - 01-14-2017, 02:40 AM
RE: CAS command question - DrD - 01-14-2017, 11:36 AM
RE: CAS command question - parisse - 01-14-2017, 12:25 PM
RE: CAS command question - compsystems - 01-14-2017, 01:05 PM
RE: CAS command question - DrD - 01-14-2017, 02:20 PM
RE: CAS command question - parisse - 01-14-2017, 07:27 PM
RE: CAS command question - DrD - 01-14-2017, 02:11 PM
RE: CAS command question - Dirk.nl - 01-14-2017, 02:46 PM
RE: CAS command question - Mark Hardman - 01-14-2017, 02:58 PM
RE: CAS command question - John P - 01-14-2017, 03:11 PM
RE: CAS command question - DrD - 01-14-2017, 03:17 PM
RE: CAS command question - Dirk.nl - 01-14-2017, 03:27 PM
RE: CAS command question - DrD - 01-15-2017, 09:30 AM
RE: CAS command question - compsystems - 01-14-2017, 03:31 PM
RE: CAS command question - compsystems - 01-15-2017, 01:28 AM



User(s) browsing this thread: