Hi there.. I have attached a patch to fix the second issue. (The value of PI as mentioned was confirmed in Wikipedia, which may or may not be definitive :-)
** Attachment added: "Correction to rounding of pi." http://librarian.launchpad.net/4921664/gcalctool-5.8.24-ps1.diff -- Incorrectly rounded pi constant https://launchpad.net/bugs/67408 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
