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Solve app bug report
03-16-2022, 11:40 AM (This post was last modified: 03-19-2022 01:30 PM by roadrunner.)
Post: #1
Solve app bug report
The solve app does strainge things when there are more than 12 variables.

This is on the emulator, 2.1.14592
Windows 10 version 1909

Here is an example:

Reset the Solve App, then tap Start;

Press escape, then go to the home environment;

Copy and paste each of the 6 lines below into the home command line, press enter after each line:
'A=B+C+D'▶E1;
'B=C+D+E'▶E2;
'C=D+E+F'▶E3;
'D=E+F+G+H+I+J+K+L+M'▶E4;
0▶A▶B▶C▶D▶I▶J▶K▶L▶M;
1▶E▶F▶G▶H;

Go to Symbolic view and check E1 thru E4;

Go to Number view, check A thru D, uncheck E thru M (M is located on the second page)

Tap Solve.

M mysteriously checks itself and is solved for. Go back to page one and A is mysteriously unchecked.

Check A, uncheck M, tap solve; and it repeats.

The Solve app when equations have more than 12 variables does other weird things as well. See this thread for another example:

https://www.hpmuseum.org/forum/thread-18102.html

-road
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01-13-2023, 02:02 AM
Post: #2
RE: Solve app bug report
(03-16-2022 11:40 AM)roadrunner Wrote:  
⋮ nicely detailed instructions

Go to Number view, check A thru D, uncheck E thru M (M is located on the second page)

Tap Solve.

M mysteriously checks itself and is solved for. Go back to page one and A is mysteriously unchecked.

Thanks for posting. I managed to reproduce the problem here by following your nicely detailed instructions. So I filed a bug report for this on the bug tracking site I’ve set up. … and the bug got fixed! Big Grin

(If anyone reading this would like an account on the bug tracker I’ve set up to help organize matters, just let me know by PM.)
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