https://bugs.kde.org/show_bug.cgi?id=407318
Bug ID: 407318
Summary: Precision is wrong
Product: kcalc
Version: 19.04
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: ete...@alum.rit.edu
Reporter: aar...@doofus.org
Target Milestone: ---
SUMMARY
When I do ACOS(-1) in radians I should get PI, but the value is wrong when set
to 33 digits.
KCalc: 3.14159265358979311599796346854419
BC: 3.14159265358979323846264338327950
STEPS TO REPRODUCE
1. Put in scientific mode and configure the number of digits to 33
2. Calculate ACOS of -1
OBSERVED RESULT
3.14159265358979311599796346854419
EXPECTED RESULT
3.14159265358979323846264338327950
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: OpenSUSE 15.0
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
Note that I'm wearing my Pi Rat shirt which is also correct. My memory of Pi is
also more accurate. (I was bored in high school where they had Pi to 40 digits
so I memorized it).
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