May 24, 2013

AutoCAD Performs Incorrect Calculation

quickcalc
My friend notify me about this bug a couple days ago. He mention that when we use the QUICKCALC (or CAL) command, AutoCAD returns incorrect value. This is a bug.

Try to calculate 750-693. You may see it returns incorrect value. I got 56. There are some more incorrect results.
Yesterday, VMichl notify me that this issue has been fixed in AutoCAD 2010 update 1.
Snipped from readme:

The following defects have been fixed:
(One of them is:)
QUICKCALC
Calculations performed by the QUICKCALC command may be incorrect.

If you have the same problem, download the update 1 here. Install it, and see if it’s fixed.

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About Edwin Prakoso

Edwin works as an Application Engineer in Jakarta, Indonesia. He has 4 years experience in building industry, then start to work for Autodesk reseller.
He is certified as Revit Architecture 2010 certified professional and AutoCAD 2013 certified professional.
He loves sharing his experience and starts to blog on CAD notes. Now using CAD is more to a lifestyle for him than working.
You can reach him on twitter @CADnotes. You can also connect with him on LinkedIn. If you prefer email, reach him at edwin.prakoso@cad-notes.com.

  • androXid

    This bug has been discussed since june 2009, it has been discovered by a french CAD user and confirmed by Shann Hurley soon after on Twitter.

  • http://www.cad-notes.com EdwinPrakoso

    Thank you for the additional information, anroXid :)