Calculist

The open-source, web-based thinking tool that facilitates effective thinking for solving problems.

20 Alternatives To Calculist

Beaker

Open Source Polyglot Data Science Tool
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Blabr

Scientific Computing for the Web.

Calc iOS App

A simple tape calculator

Cantor

Cantor is a front-end to powerful mathematics and statistics packages.
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Carbide

A new kind of programming environment
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Data-Forge Notebook

Notebook-style prototyping, data exploration, analysis and visualization tool for the desktop.
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Eve

Programming designed for humans

Hyperdeck

Hyperdeck is a notebook environment for front-end programming, making it easy to analyze data, run…
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Kajero

Interactive JavaScript notebooks - create good-looking, responsive, interactive documents.

Kite

Kite helps you write code faster by bringing the web’s programming knowledge into your editor.

Numi

Numi Organic Tea is a premium, Fair Trade sustainable company specializing in unique and innovative blends of green, black, white, oolong teas, Pu-erh, rooibos, herbal and Flowering Tea™.
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Observable HQ

Interactive code examples/posts

OpalCalc

OpalCalc is a brand new type of calculator for the PC.
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Qalculate!

Qalculate! is a multiplatform multi-purpose desktop calculator.

RunKit

RunKit notebooks are interactive javascript playgrounds connected to a complete node environment right in your browser. Every npm module pre-installed.
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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 Donate .

Wakari

Web-based Python Data Analysis.

iPython

iPython provides a rich toolkit to help you make the most out of using Python interactively.
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iodide

Interactive, notebook programming environment for the web.