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Logical NOT
06-10-2015, 05:42 AM
Post: #4
RE: Logical NOT
(06-08-2015 03:11 PM)Alberto Candel Wrote:  Thank you for the illustration. Now that I look at your examples I see that there is some pattern to it: lower case uses functional form like xor(1,0) and upper case uses infix form 1 XOR 0.

That's sometimes true, but don't rely on it. For example, INTERSECT is vice versa: it only allows infix form when spelled in lowercase (CAS only), and prefix form when spelled in uppercase (both CAS and Home)! Another strange "case": CAS only allows prefix syntax for the AND function if it's spelled with mixed case: And(1,2). You really gotta try all three spelling variations for each function to be sure. And you can't memorize them either, because they sometimes change when the firmware is revised. And of course none of this is documented. PPL is a moving target wearing camouflage, which is fun when you're hunting for sport but frustrating when you're hunting to survive.

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Messages In This Thread
Logical NOT - Alberto Candel - 06-08-2015, 01:32 AM
RE: Logical NOT - Joe Horn - 06-08-2015, 06:47 AM
RE: Logical NOT - Alberto Candel - 06-08-2015, 03:11 PM
RE: Logical NOT - Joe Horn - 06-10-2015 05:42 AM
RE: Logical NOT - Alberto Candel - 06-10-2015, 03:19 PM
RE: Logical NOT - compsystems - 06-10-2015, 06:18 PM

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