"gcalctool-5.82.2" returns "unknown function" while calculating inverse trigonometric functions.

Solution Verified - Updated 2024-08-05T05:44:34+00:00 -

Issue

When the character code (eg: LANG environment variable) is not set to UTF-8, gcalctool fails to calculate inverse trigonometric functions.
Why gcalctool returns "unknown function" while calculating inverse trigonometric functions?

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