Expensive Desk Calculator
- Expensive Desk Calculator
Infobox Software
name = Expensive Desk Calculator
caption = DEC PDP-1 at the Computer History Museum
author = Robert A. Wagner
developer =
released = 1960s
latest release version =
latest release date =
latest preview version =
latest preview date =
operating system =
platform = TX-0, PDP-1
language =
genre = Calculator
license =
website = [http://www.computerhistory.org/pdp-1/ PDP-1 Restoration Project]
Expensive Desk Calculator by Robert A. Wagner is thought to be computing's first interactive calculation program.[Alan Kotok (15 May 2006). [http://video.google.com/videoplay?docid=4995476926708958999&q=computer+history+dec The Mouse That Roared: PDP-1 Celebration Event Lecture] . Computer History Museum (Google Video link). Retrieved on 22 June 2006. Kotok's description begins at 1:02.] ]The software first ran on the TX-0 computer loaned to the Massachusetts Institute of Technology (MIT) by Lincoln Laboratory. It was ported to the PDP-1 donated to MIT in 1961 by Digital Equipment Corporation. [Robert M. Slade (26 January 1994). [http://victoria.tc.ca/int-grps/books/techrev/bkdecwrk.rvw BKDECWRK.RVW: Review of "Digital At Work", Pearson, 1992] . Retrieved on 22 June 2006]
Friends from the MIT Tech Model Railroad Club, Wagner and a group of fellow students had access to these room-sized machines outside classes, signing up for time during off hours. Overseen by Jack Dennis, John McKenzie and faculty advisors, they were personal computer users as early as the late 1950s.
The calculators Wagner needed to complete his numerical analysis homework were across campus and in short supply so he wrote one himself. Although the program has about three thousand lines of code and took months to write, Wagner received a grade of zero on his homework. His professor's reaction was, "You used a computer! This "can't" be right." Steven Levy wrote, "The professor would learn in time, as would everyone, that the world opened up by the computer was a limitless one." [Steven Levy (1984). (ISBN 0-385-19195-2) retrieved on 22 June 2006 at [http://www.gutenberg.org/etext/729 Project Gutenberg] , [http://www.gutenberg.org/catalog/world/readfile?pageno=33&fk_files=36095 p. 33] ] [cite book]
last = Levy
first = Steven
title = Hackers: Heroes of the Computer Revolution
url =
year = Updated 2 January, 2001
publisher = Penguin (Non-Classics)
id = ISBN 0-1410-0051-1] References
ee also
* PDP-1
* Expensive Typewriter
* Expensive Planetarium
* Expensive Tape Recorder
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