fxSolver
WolframAlpha
SpeedCrunch
Qalculate!
Numi App
Wolfram Mathematica
Symbolab
Soulver
Agentmemory
ChainMemory
Mem0
Memori
Pieces for Developers
cognee
TheSecondBrain.dev
Claiv Memory
Calculate multiple equations at once, Edit existing formulas and Create new ones, Compute large numbers of values, Plot graphs, Link your results, Solve full problems and Share worksheets with your friends.
fxSolver is a free tool developed by a team of engineers and programmers with the sole intention of providing a unique, useful and free service. The vision of the development team is to allow students, engineers, and hobbyists to come in contact with mathematics and to be able to solve problems without necessarily being familiar with professional math software or programming languages.
fxSolver
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WolframAlpha - WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of peopleโspanning all professions and education levels.
ChainMemory - Portable, verifiable memory for AI agents โ works across ChatGPT, Claude, Gemini and any MCP client
SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donateย .
Mem0 - Your private, local memory layer for all AI tools
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
Memori - Persistent memory from agent trace, not just conversation