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CAS command question
01-04-2017, 03:23 AM (This post was last modified: 01-04-2017 01:04 PM by compsystems.)
Post: #8
RE: CAS command question
What is the reason for "reverse" expression (transposing terms and reverse the operator)? (some help for the parser or interpreter of expressions), in my case I do not like as the hp-prime shows, books do not show this notation, is somewhat confusing for to read.
(x+y)< 4 →
4>(x+y)

Examples of how to use the command LEFT & RIGHT

PHP Code:
// simplify none
#cas
  
  
testleftcas():=
  
begin
   local expr1
;
    
//local expr1:='(x+y)<4';  =(
    
expr1:='(x+y)<4'  
    
return([ left(expr1), left(eval(expr1)) ]);
  
end;
  
// testleftcas() -> [ x+y, 4 ] // ok

  
testleftcas2(expr2):=
  
begin
    
return [ left(expr2), left(eval(expr2)) ];
  
end;
  
// testleftcas2( '(x+y)<4' ) -> [ x+y, 4 ] // ok
  // testleftcas2( (x+y)<4 ) -> [ 4, 4 ]    // ok

  
testcasid0 ):=
  
begin
    local id1
:= id0;
    print; 
//print("");
    
print( [ left(id1), right(id1) ] ); wait;
    return ( [ 
left(id1), right(id1) ] );
  
end;
  
// testcas( (x+y)^(1+1)-3 ) -> [(x+y)^2,-3] // ok
  // testcas( '(x+y)^(1+1)-3' ) -> [(x+y)^(1+1),-3] // ok

#end 
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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



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