| LuaCalc | Antenna Design Calculator | System Sensor Voltage Drop Calculator | VBTheory Calculator Portable | |
| 1.1 B23 | 2.3 | 3.02.0040 | 5.1 | |
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| Open Source | Freeware | Freeware | Freeware | Licence |
| FREE | FREE | FREE | FREE | Price |
| 3.50 MB | 1.60 MB | 2.00 MB | 1.90 MB | File size |
| Feb 5, 2013 | Mar 10, 2010 | Apr 7, 2011 | Jul 1, 2012 | Update |
| 9 | 25 | 31 | 12 | Downloads |
| Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64 | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64 | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64 | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64 | OS |
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