HP71B Enhanced Math LEX

03182021, 08:22 AM
(This post was last modified: 03182021 08:48 AM by JF Garnier.)
Post: #50




RE: HP71B Enhanced Math LEX
(03172021 09:00 PM)Albert Chan Wrote:(04272020 09:42 AM)JF Garnier Wrote: A little challenge for you : during my tests I found a minor problem in some of the new keywords of the previous test version (2b1, see post above). I didn't fix it yet (so still in 2b2, will fix it in a later version) and your mission, would you accept it, is to find the problem... I almost forgot it... No, actually it is noted in my todo list but forgot to fix it in the final 2B version. The problem is: finding the min element of an array made of Inf values incorrectly returns 9.999..E499 instead of Inf: >DIM A(3) >MAT A=(INF) >AMIN(A) 9.99999999999E499 Same with MINAB and similar problem with Inf and AMAX/MINAB. Not a big deal. I recently identified a more serious bug, that was present since version 2A too: raising a complex value to the real power 2 produces an incorrect result. Z^(2,0) was ok but Z^(2) was wrong (computed as Z^2 instead). This was caused by the changes I did to manage the z^2 operation as z*z in the version 2A. It is fixed now in revision 2B7 (MATH2B7). Thanks for your interest, Albert! JF 

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