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Reverse Polish notation
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Reverse Polish notation, also known as reverse Łukasiewicz notation, Polish postfix notation or simply postfix notation, is a mathematical notation in which operators follow their operands, in contras
A promotional Hewlett-Packard "No Equals" hat from the 1980s – both a boast and a reference to RPN
A promotional Hewlett-Packard "No Equals" hat from the 1980s – both a boast and a reference to RPN
Z3 (computer)
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The Z3 was a German electromechanical computer designed by Konrad Zuse in 1938, and completed in 1941. It was the world's first working programmable, fully automatic digital computer. The Z3 was built
Reverse Polish notation
…Polish notation in 1924. The first computer to use postfix notation, though it long remained essentially unknown outside of Germany, was Konrad Zuse's Z3 in 1941 as well as his Z4 in 1945. The reverse Polish scheme was again proposed in 1954 by Arthur Burks, Don Warren, and Jesse Wright and was independently…
Zuse Z3 replica on display at Deutsches Museum in Munich
Zuse Z3 replica on display at Deutsches Museum in Munich
Electromagnetic memory (relays) included in the Z3, Z5 and Z11
Electromagnetic memory (relays) included in the Z3, Z5 and Z11
Drawing of the Z3 computer from Zuse's 1941 patent
Drawing of the Z3 computer from Zuse's 1941 patent
Z3 reconstruction in 2010 by Horst Zuse
Z3 reconstruction in 2010 by Horst Zuse