The History of Calculating Machines

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Mespotamian Abacus

2700 BC - 2699 BC

The Salamis Tablet

300 BC - 299 BC

Japanese Abacus

2 BC - 1 BC

Korean Abacus

2 BC - 1 BC

The Table of Longarithms

1544 - 1545

Napier's Bones

1617 - 1618

Calculating clock

1623 - 1624

The Pascaline

1642 - 1643

Russian Abacus

1650 - 1651

Leibniz Stepped Drum

1694 - 1695

The Stepped Reckoner

1694 - 1695

Slide Rule

1800 - 1801

Arithometer

1820 - 1821

The Difference Machine

1848 - 1849

Pinwheel Calculator

1850 - 1851

Comptometer

1887 - 1888

The Dalton Adding Listing Machine

1904 - 1905

Circular Slide Rule

1930 - 1931

The Z1

1935 - 1936

MADAS

1950 - 1951

Anite MK 8

1961 - 1962

Canon Poketronic

1970 - 1971

HP-35 Calculator

1972 - 1973

Casio Mini Card LC-78

1978 - 1979

TI-74 Calculator

1985 - 1986

TI-85

1992 - 1993

TI-NSpire

2007 - 2008