Download Calctus

Calctus is an RPN calculator application for Windows. The calculator features syntax highlighting, autocomplete, and support for multiple number formats. Formats include decimal, hexadecimal, binary, and more. It allows mixing different number systems in calculations. Supports SI prefixes, date and time formats, RGB color representation. Includes built-in constants and functions. Users can define custom constants and functions. Solves numerical equations using Newton's method. Modifying the formula history performs immediate recalculations. External script calls function as functions. The application generates function plots. It has keyboard shortcuts for efficient operation.