JustBrowsing Calculator is described as 'Calculator web-app for JustBrowsing project' and is a Calculator in the Development category. There are more than 25 alternatives to JustBrowsing Calculator for a variety of platforms, including Online / Web-based, Android, Windows, iPhone and iPad. The best alternative is SpeedCrunch, which is both free and Open Source. Other great apps like JustBrowsing Calculator are Wolfram Alpha (Freemium), Qalculate! (Free, Open Source), Windows Calculator (Free, Open Source) and Insect (Free, Open Source).
SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list of features, including: Unlimited Variables, Syntax Highlighting, Functions, with 'Automagic' Completion, 50 Decimal...
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.
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).
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.
High precision scientific calculator with full support for physical units. - Evaluation of mathematical expressions - Parsing and handling of physical units (All SI units, imperial units, time-based units, ..
Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.