Advanced Trigonometry Calculator is a rock-solid calculator allowing you perform advanced complex math calculations.
Enter your complex math expression on its integrity and in the final press “Enter” button, after some instants the solution for your expression will be displayed.
Anyone can use this calculator since the syntax used is very similar with scientific handheld calculators, e.g. TI 84-Plus.


  • Resolution of calculations in mass, smart processing of text files (.txt)
  • Various mathematical functions
  • Various functions to help the application use
  • Resolution of complex expressions
  • Multi numerical systems response with scientific notation in binary, octal and hexadecimal
  • Entering different numerical systems value in the same expression
  • Variables creation to perform easily complex calculations
  • SI measurement prefixes response
  • Show current time
  • Show current calendar and calendar specific
  • Easy use of previous results
  • Use of “space” key freely
  • User configurations
  • History
  • Arithmetic operations between previous and current expression
  • Constants "e" and "pi"
  • Parentheses system processing
  • Calculations mode and hability to force mode for trigonometric functions
  • High capacity of verification of data entered
  • Validation of variables, including renaming if needed
  • Entering values in SI prefixes, abstaining of the use of powers of 10
  • Introduction of multiple expressions
  • Determiner of day of week with date adjustment algorithm
  • Abbreviations creation, for easier ".txt" files processing.
  • Solve equations systems with complex numbers (a+bi)
  • Stopwatch
  • Timer
  • Answering with a number of decimal, binary, octal and hexadecimal places predefined by the user
  • Clock
  • Open user guide, download latest installer and portable version
  • Handle your pc: shutdown, restart, hibernate, log off, sleep and lock
  • All mathematical functions supports complex numbers
  • Deduction of multiplications
  • Ask by command to run one more time the application
  • Ask by commands to restart app, reset settings of app and reset all files related with app
  • Ask by commands to open history file, app folder and source code folder
  • Txt detector, providing a quick way to process ".txt" files with expressions inside of them. Handling commands: "to solve" and "enable txt detector".
  • Scripting: provide quick means to perform user calculations repeatedly easily
  • User functions: let the users have their own functions and put them in the expressions
  • Strings: let user save text as string for later use in the scripting feature
  • Solve quadratic equations. a, b and c can be complex numbers.
  • Automatic solve txt. Using flag "SOLVE_NOW" in the last line of txt file edited for ATC.
  • Run atc from cmd. You can use this app from the Windows command-line. Run atc over cmd. You can run atc on cmd as if you are running the atc executable.
  • Commands: "update x64", "donate", "atc facebook", atc sourceforge", ...
  • INF and -INF
  • Verbose Resolution
  • ATC status referenced on ATC window title
  • Triangles Rectangles Solver
  • Arithmetic Matrix Solver
  • Solver
  • Equation Solver
  • Calculation of Determinants
  • Hot Key "Ctrl+Alt+K" to launch ATC
  • Roots to Polynomial

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Additional Project Details



Intended Audience

Science/Research, Education, Telecommunications Industry, Developers, Testers, Engineering

User Interface

Console/Terminal, Command-line

Programming Language

C++, C