| Gekko | NumXL | SimApp | WELSIM | |
| 1.6 | 1.68.7.1 | 2.7 | 1.8 | |
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| Freeware | Shareware | Shareware | Shareware | Licence |
| FREE | $625.00 | $160.00 | $129.00 | Price |
| 3.98 MB | 0.59 MB | 5.47 MB | 175.77 MB | File size |
| Mar 6, 2013 | Sep 15, 2023 | Dec 30, 2015 | Dec 24, 2018 | Update |
| 53 | 49 | 42 | 35 | Downloads |
| Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, WinServer, Windows Vista, Windows Vista x64 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, Windows 11, WinServer, WinOther, Windows Vista, Windows Vista x64 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | OS |
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