Revolutionary knowledge-based programming language.
The preeminent environment for any technical workflows.
Semantic framework for real-world data.
Central infrastructure for Wolfram's cloud products & services.
Software engine implementing the Wolfram Language.
Instant deployment across cloud, desktop, mobile, and more.
Technology-enabling science of the computational universe.
Knowledge-based, broadly deployed natural language.
Curated computable knowledge powering Wolfram|Alpha.
Characters: \[Coproduct] \[Sum] \[Times] \[DiscreteRatio] \[CapitalPi]
Introduced in 1996 (3.0)
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prod
.
is by default interpreted as Product[f,{i,imax}]. 
is by default interpreted as Product[f,{i,imin,imax}]. 
