COWSEL

COWSEL (COntrolled Working SpacE Language) is a <a href="/facts/Programming_language/cWTYbgWa">programming language</a> designed between 1964 and 1966 by <a href="/facts/Robin_Popplestone/Cnyg3DaI">Robin Popplestone</a>. It was based on an <a href="/facts/Reverse_Polish_notation/a6rDoJ7X">reverse Polish notation</a> (RPN) form of the language <a href="/facts/Lisp_(programming_language)/xJHA3CrX">Lisp</a>, combined with some ideas from <a href="/facts/CPL_(programming_language)/WdCSdedV">Combined Programming Language</a> (CPL).
COWSEL was initially implemented on a <a href="/facts/Ferranti_Pegasus/Lpu26Qoj">Ferranti Pegasus</a> computer at the <a href="/facts/University_of_Leeds/XxFJF9Qh">University of Leeds</a> and on a Stantec Zebra at the <a href="/facts/University_of_Bradford/rw0NzckR">Bradford Institute of Technology</a>. Later, <a href="/facts/Rod_Burstall/BhNTxat5">Rod Burstall</a> implemented it on an <a href="/facts/Elliot_4120/rN9mTIhk">Elliot 4120</a> at the <a href="/facts/University_of_Edinburgh/L69HscH9">University of Edinburgh</a>.
COWSEL was renamed POP-1 in 1966, during summer, and development continued under that name from then on.

COWSEL open-in-new

COWSEL