Adacalc 3.51 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. Adacalc.exe is the default file name to indicate the Adacalc installer.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. This free software is an intellectual property of Hervé Sors.
The software lies within Office Tools, more precisely Calculators. The most popular versions among the software users are 3.5 and 2.4. Adacalc was developed to work on Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and can function on 32-bit systems.
From the developer:
Adacalc is an accurate aeronautical calculator for Windows users. The program can perform high precision calculation of all atmosphere parameters (including standard ratio) up to a geometric altitude of 85 km; speed calculations; density and true altitude calculations; en route and runway wind calculations; latitude and longitude calculations, and more.
You may want to check out more software, such as Construction Master Pro, Skalc or A.C. Calculator, which might be similar to Adacalc.