CAS command question
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01-06-2017, 08:27 PM
(This post was last modified: 01-06-2017 08:28 PM by Han.)
Post: #43
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RE: CAS command question
(01-06-2017 06:59 PM)compsystems Wrote: Now step by step 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. On the HP50G, evaluation of a symbolic object merely copies the object onto the stack because an expression and a 'quoted expression' are one and the same. They (Prime vs HP50G) also have different evaluation schemes due to their different object representations. Graph 3D | QPI | SolveSys |
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