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From BLOG@CACM
#### The Colossus

Unseen images of the code-breaking computer that helped win World War 2.

From BLOG@CACM
#### What Does Digitization Mean, and When Did It Begin?

Digitization is on everyone's lips. What does digitization mean and when did it begin?

From BLOG@CACM
#### 400 Years of Mechanical Calculating Machines

Germany is celebrating the 400th birthday of Schickard's "calculating clock."

From BLOG@CACM
#### Did Grace Hopper Create the First Compiler?

Heinz Rutishauser (ETH Zurich, Switzerland) is regarded as the developer of automatic programming.

From BLOG@CACM
#### Early Computers in Continental Europe

About the Bark (binär automatisk relä-kalkylator, binary automatic relay computer) and Besk (binär elektronisk sekvens kalkylator, binary electronic sequential...

From BLOG@CACM
#### In Pursuit of an International Computation Center in Europe

The story of the UNESCO International Computation Center.

From BLOG@CACM
#### Where is the Cradle of the Computer?

The digital computer of today arose in the first half of the 1940s independently in three different countries: Germany, the U.K. and the U.S.

From BLOG@CACM
#### Turing's Influence on Computer Construction is Overestimated

How great was Turing's influence on early British automatic computers? Opinions differ considerably.

From BLOG@CACM
#### The Mesm: Ukraine Beats Russia

The Mesm is considered the first stored program digital computer in Continental Europe.

From BLOG@CACM
#### How Does One Divide with Napier's Rods?

Napier's multiplication and division rods, deriving from the basic multiplication table, simplify calculations considerably.

From BLOG@CACM
#### How Does One Multiply with Napier's Rods?

Napier's multiplication and division rods, deriving from the basic multiplication table, simplify calculations considerably.

From BLOG@CACM
#### The Evolution of Computing Power in Switzerland

Milestones in the history of computing from the Swiss National Supercomputing Center, Lugano.

From BLOG@CACM
#### The World's Most Magnificent Historical Calculating Machines

The design of today's electronic computers is usually not very appealing, in contrast to magnificent mechanical calculating machines from earlier times.

From BLOG@CACM
#### The World's Most Magnificent Historical Automatons

Automatons are ubiquitous. Some of the most magnificent works in the genre have survived in museums.

From BLOG@CACM
#### How Do You Calculate on the Abacus?

Considering the use of one of the most long-lived calculating devices.

From BLOG@CACM
#### Discovery: User Manual of the Oldest Surviving Computer in the World

A rare find: the user manual of the oldest surviving computer in the world, the Zuse Z4 relay machine (1945).

From BLOG@CACM
#### The World's Largest Commercial Cylindrical Slide Rule has a Scale Length of 24m

The world's largest mass-produced cylindrical slide rules come from Loga-Calculator AG in Zurich/Uster, Switzerland.

From BLOG@CACM
#### Would There Be Computers Without Easter?

Finding roots of computing in the computation of Easter.

From BLOG@CACM
#### Why Is There No Well-Known Swiss IT Industry?

Herbert Bruderer asks why no information technology industry emerged in Switzerland in the 1950s, despite the appearance of computers from several sources.

From BLOG@CACM
#### Calculating With Roman Numerals is Not So Difficult

How to deal with Roman numerals and without a sign for zero in an additive number system, if no hand abacus is available?

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