As you might expect from its name, the "Difference Engine" is a strangely difficult object to describe. You might start by imagining the side of a large crib with uprights ringed by small metal wheels ...

Charles Babbageが設計したDifference Engineは、コンピュータの歴史を紐解くと、その初期を飾る機械式の計算機である。バベッジが最初に設計したDifference Engineは英国政府から予算を得て開発を開始したが、完成には至っていない。 その後、1847年から1849年ころに ...

ディジタル式の計算機械の初期のものとして、Charles Babbageが1849年ころに設計したDifference Engineがある。 多項式 をマクローリン展開すると と表わされ、n次の多項式の場合はn+1項の和で表わされる。ここでf(0)、f(Δ)、f(2Δ)、…、f(nΔ)を計算し、f'(0)=Δf(Δ)-f(0 ...

Created by Charles Babbage, the Analytical Engine was a general-purpose, completely program-controlled, mechanical digital computer with no human intervention. It was designed to be programmed using ...

This is the first printing calculator sold. From ancient times, scientists and mathematicians have calculated numerical tables. These tables were often rife with error, both from incorrect ...

The question of who invented the first computer and when was the computer invented has a complex answer that spans centuries of innovation. Many people assume a single inventor and a specific date, ...