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HP35s Revisited Bug # 14
02-21-2015, 10:21 AM
Post: #4
RE: HP35s Revisited Bug # 14
(02-21-2015 07:17 AM)MarkHaysHarris777 Wrote:  If we force the EQN system to stack another nested () then the binary representation of reals in the intermediate results change and the problem goes away... try it.

Apart from your example I tried the following variants of the same equation. While some of them are working, I was able to generate a bunch of other bad results:

Code:

 equation          second result
--------------------------------------
 R*X/(R-X*Q)      -466.926...  correct
-R/(Q-R/X)        -466.926...  correct
 R/(R/X-Q)        -466.926...  correct

-X*R/(X*Q-R)        31.323...  wrong
-X*R/(Q*X-R)         0.444...  wrong
-R*X/(Q*X-R)         0.444...  wrong
-(R*X)/(X*Q-R)     -70.202...  wrong
-(X*R)/(X*Q-R)      93.603...  wrong
-(R*X)/(Q*X-R)      -0.997...  wrong
-(X*R)/(Q*X-R)      -1.329...  wrong
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Messages In This Thread
RE: HP35s Revisited Bug # 14 - Tugdual - 02-21-2015, 08:45 AM
RE: HP35s Revisited Bug # 14 - Thomas Ritschel - 02-21-2015 10:21 AM
RE: HP35s Revisited Bug # 14 - Tugdual - 02-21-2015, 11:24 AM
RE: HP35s Revisited Bug # 14 - Tugdual - 02-21-2015, 07:51 PM
RE: HP35s Revisited Bug # 14 - Tugdual - 02-21-2015, 09:11 PM



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