Numi Alternatives

SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.

Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).

Online math solver, equation library, graphing calculator and science/engineering problem helper.

OpalCalc is a brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows natural language in the sum and multi-line support so you can go back and adjust your previous calculations on the fly.

Soulver is a smart notepad with a built-in calculator. It gives instant answers to any calculations it finds in your text. It's a better way to work stuff out than with a traditional calculator, and a more lightweight tool for quick calculations than a spreadsheet.

A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems.

Calculator provides simple and advanced mathematical functions in a beautifully designed app.

High precision scientific calculator with full support for physical units (web and terminal versions).

RealCalc Scientific Calculator.

Parsify Desktop is a notepad-based / text calculator, built with extendibility and privacy in mind. The app has been constantly updated since the initial launch in June 2020. Its most notable features include: