My point is, that as nobody else has reported about such a significant calculation slowdown with M020 or M030, chances are, that just one specific function your calculation is probably heavily using, was unintentionally 'damaged' in the maintainance release M020. Ever(?) - at least it was already a MC14 problem. The reason found was that the built-in function stack() and augment(9 are MUCH slower than user written workarounds using for-loops. Can you create test sheets and track down the problem and separate which operations or which built-in functions are responsible for this significant (in your first post you reported a slowdown for the factor 12!)? For instance it took me quite some time untlil I realized why some routines dealing with big matrices perform awfully slow. Harold Morris wrote: I did a trial install of M030 on my Windows 7 laptop. This didn't occur in W7 Any idea what may be causing the slow down between updates? For now I'm back to M010 in Windows 8.1.no issues with 8.1 except for when I print to adobe PDF, the filename has some Asian characters in the filename. This was on my other PC with Windows 7 圆4. About 6 months ago, I did the same experiment with M020 and M010. I use scripting (drop down pick lists) and reference files in all my worksheets. I tried multiple different projects and it nets the same results. M010 will run through the caclulations in about 10-15 seconds whereas M020 or M030 take over 2-3 minutes This is not one particular file. I uninstalled and went back to M010 and it works fine. It runs extremely slow just opening and calculating a worksheet. I saw there was an update in December to M030 so I installed it yesterday. It runs fine with my worksheets with the occasional crash. I've been running Mathcad 15 M010 for the past couple years. 11 thoughts on “Converting Your Worksheets to Mathcad Prime 2.0 in 3 Easy. You need Mathcad 15 M010 or higher on your system to convert earlier worksheets into.
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