NoteCalc is described as 'Handy calculator trying to bring the advantages of Soulver to the web' and is a Calculator in the education & reference category. There are more than 100 alternatives to NoteCalc for a variety of platforms, including Windows, Android, Web-based, Mac and iPhone apps. The best NoteCalc alternative is Wolfram Alpha, which is free. Other great apps like NoteCalc are SpeedCrunch, Qalculate!, Mathematica and Hurmet.
Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer.
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).
Definitive technical computing system spanning machine learning and neural networks, data science, visualizations and much more.
Hurmet is a web-based rich text editor endowed with live calculations. With it, you can create documents that do calculations and preserve an easy-to-read record of your work.
Online math solver, equation editor and database, graphing calculator and science/engineering problem helper.
High precision scientific calculator with full support for physical units (web and terminal versions).
Numi is a handy calculator app for macOS. It allows to describe tasks the natural way and instantly get an accurate answer. For example, $20 in euro - 5% discount or today + 2 weeks. Numi is not limited to simple calculations, it can solve expressions of any complexity, with...
Do you ever grab a calculator & the back of an envelope to work through an idea or problem that involves some math?
Calculator provides simple and advanced mathematical functions in a beautifully designed app.
Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!
Next generation notepad-based calculator, built with extendibility and privacy in mind. Works on Windows, macOS and Linux.
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Speedcrunch is more focussed on solving a math problem. NoteCalc focusses on complex calculations that need text and context as a means to solving problems or inputting values. In SpeedCrunch you cannot add context to the numbers and formulae.