Calculator M+

Calculator M+ is a free, ad-free scientific calculator Chrome extension with memory and history. It delivers real-time results, supports a wide range of scientific functions (sin, cos, tan, log, pi, √, and more), and provides a clean, easy-to-use interface for quick calculations.

Key features include a memory store for values, a history log to review past calculations, dark mode for comfortable use, and a monospace font option for a classic calculator feel. Pro features are available via annual subscription, unlocking additional customization options.