CalNote

CalcTape Web

A web-based notepad calculator with a visible calculation tape, supporting variables, comments, and subtotals, similar to CalNote's interactive note-taking math.

Notes Calculator

A cross-platform notepad calculator that converts plain-text notes into calculations, supporting variables, currencies, and unit conversions, with device syncing.

InstaCalc

An online calculator that blends calculator and spreadsheet features, allowing for quick, note-like math without installs or logins, saving calculations locally.

Numi

A macOS calculator app that processes natural language input for calculations, including units, currencies, and variables, offering a text-based approach to math.

Parsify

A text-based calculator available on web and desktop that supports natural language, variables, unit, and currency conversions, similar to CalNote's functionality.