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Blaise Pascal, calculating machine, 1650. Photo Mathematisch-Physikalischer Salon, Staatliche Kunstsammlungen Dresden

Pascaline calculating machine by Blaise Pascal, before Staatliche Kunstsammlungen Dresden, most probably the machine gifted by Pascal to Marie Louise Gonzaga in 1647

Replica, made in 1974, of a Roman hand abacus. The counters slide in grooves. Like the Japanese abacus the counters above the bar are worth five and those below are worth one. The columns are worth from one million on the left to a twelfth in the second to right. The right-hand column is sub-divided to read twelths of twelths.

Replica, made in 1974, of a Roman hand abacus. The counters slide in grooves. Like the Japanese abacus the counters above the bar are worth five and those below are worth one. The columns are worth from one million on the left to a twelfth in the second to right. The right-hand column is sub-divided to read twelths of twelths.

Sextant

Vernier Readout Sextant with Case

Jeugddroom: alles in een koffertje.

Portable Terminal from Digi-Log Systems Inc 1976

http://img0.etsystatic.com/il_fullxfull.217396727.jpg

Equations, the Game of Creative Mathematics

Der Rand-Computer - eine angebliche Vision aus dem Jahre 1954. (Foto: snopes.com) (Quelle:  snopes.com)

Foto zeigt scheußliches Mischwesen

scientists from the RAND Corp show off the future of a home computer - this is what it will look like in the FORTRAN language ill be easy to use.

How to build your own external hard drive - CNET

How to build your own external hard drive

How to build your own external hard drive - CNET Mobile

How to Find the Right Video Card for Your Computer

How to Find the Right Video Card for Your Computer - dummies

#calendar concept de navigation (pas forcement adapté a mesBoutiques)

Personal Diary App - I really like this timeline.

M. Edouard Lucas | Calculating machines | Fig. 13. — The Table of Pythagoras on Slats (see below)

How Parents Can Help Their Kids Learn Their Multiplication Facts – Math Fireworks

Tips for increasing the longevity of your Mac If you have a new or used Mac then you likely would like to ensure it stays working for as long as possible.

Tips for increasing the longevity of your Mac

Tips for increasing the longevity of your Mac If you have a new or used Mac then you likely would like to ensure it stays working for as long as possible.

Babbage's difference engine

I chose this one because of peters love for technology

Devices  for mathematical operations.

The Moveable Alphabet: November 2009

Meerkat, solutions in computer vision. on Behance

Meerkat is a company specialized in research and development of intelligent solutions in the fields of Computer Vision and Machine Learning.

Aritmetica (Arithmetic): Signature a4  Author: Filippo Calandri  Florence: Lorenzo Morgiani & Johannes Petri, January 1, 1491/92  Book with printed text and woodcut illustrations

De Arithmetica

Aritmetica (Arithmetic): Signature Author: Filippo Calandri Florence: Lorenzo Morgiani & Johannes Petri, January Book with printed text and woodcut illustrations

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