ABAKUS 6.0.220.4 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The software is included in Office Tools. We recommend checking the downloaded files with any free antivirus. The program's installer files are commonly found as Abakus.exe or Kalkulacka2.UIManager.exe etc. This free software is an intellectual property of R&D-Team. The most popular versions among the software users are 6.0, 2.1 and 2.0.
From the developer:
Abakus is a little calculator. You type the formulas as you would do on paper. Press Ctrl Return and the result is listed in the output-box.
It is capable of complex arithmetic. Also it supports multiple formulae, which take a previous result as an argument.
You may want to check out more software, such as Abakus VCL, which might be similar to ABAKUS.