
Wolfram Alpha
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...
High precision scientific calculator with full support for physical units (web and terminal versions).
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, timebased units, ..) explicit unit conversions ("60mph to m/s", "6mbit/s * 1.5h to gb") physical constants (speed of light, plancks constant, ...) userdefined variables syntax highlighting, tab completion, readline interface web and terminal versions
Productivity Business and Commerce Education and Reference
web-based physics console-based scientific-calculator units-converter maths