A comprehensive multi-mode browser calculator — Basic, Scientific, Graphing, Financial, Programmable, RPN, Statistical, Unit Conversion, Programmer, and Matrix.

No server · No install · Open source (GPLv2) · Part of Payas Web Kit

GNU General Public License v2.0

Copyright (C) 2025 Saman Udayanga Wijesinghe

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.

This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY. See the GNU General Public
License for more details.