Advanced Trigonometry CalculatorATC 2.1.8 ATC 2.1.8
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ATC 2.1.8

What is ATC? - ATC English

English localized overview for Home. Full technical documentation is available in English. English remains the canonical source for exact release and source-code authority.

What is ATC?

Open-source C/C++ mathematical engine and Windows calculator for practical numerical and algebraic workflows.

ATC 2.1.8 improves high precision calculations, equation solving, polynomial simplification, roots-to-polynomial workflows, TXT automation, autocomplete, usability, and documentation.

Key Features

  • Equation solving, polynomial tools, and complex-number workflows.
  • Matrix calculations, statistics, physics, geometry, and unit conversions.
  • DSP / FFT functions, scripting, batch TXT processing, and user functions.
  • Windows desktop application with ATC Online Alpha through WebAssembly.

ATC 2.1.8

Advanced Trigonometry Calculator is an open-source mathematical computing engine written mainly in C/C++. It is a Windows desktop application created in 2011 and maintained by Renato Alexandre dos Santos Freitas.