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The IBM 602 Calculating Punch, introduced in 1946, was an electromechanical calculator capable of addition, subtraction, multiplication, and division. The 602 was IBM 's first machine that did division.
IBM 604 Electronic Calculator at NEMO national science museum in Amsterdam. Note plugboard control panel used to program the 604, at bottom.. The IBM 604 Electronic Calculating Punch was the world's first mass-produced electronic calculator along with its predecessor the IBM 603. [1]
The IBM Card-Programmed Electronic Calculator or CPC was announced by IBM in May 1949. Later that year an improved machine, the CPC-II , was also announced. IBM's electronic (vacuum tube) calculators could perform multiple calulations, including division.
It was originally known as "HECKE and Manin". After a short while it was renamed SAGE, which stands for ‘’Software of Algebra and Geometry Experimentation’’. Sage 0.1 was released in 2005 and almost a year later Sage 1.0 was released. It already consisted of Pari, GAP, Singular and Maxima with an interface that rivals that of Mathematica.
UNIVAC 1 Computer System – By Allan G. Reiter, formerly of the ERA division of Remington Rand; UNIVAC I & II Simulator Archived 2013-10-11 at the Wayback Machine – By Peter Zilahy Ingerman; Shareware simulator of the UNIVAC I and II. Archived download; Core memory slide show – This slide show contains a photo of a 1951 core memory module ...
Card punch speed up to 250 cards per minute (all models). Feed hopper for 1,200 cards (all models). Three stackers (NP, 4, 2/8) of approximately 1,000-card capacity after cards are punched. The 2/8 stacker is shared by the card reader and punch, but timing considerations make it difficult to use for merging operations.