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Page 1

• a basic introduction
• abacus
• john napier (1550-1617) - logarithms.
• More about napier's original logarithms
• More about napier's bones - what were they & how were they used?
• henry briggs (1561-1630) - logarithms.
• More about logarithm tables and how they are used

Page 2

• wilhelm schickard's calculating clock
• blaise pascal's pascaline
• gottfried wilhelm leibnitz's stepped reckoner
• de colmar's arithmometer - the first success

Page 3

• charles babbage (1791-1871)
• charles babbage and table making
• More about curve fitting and table calculations
• More about babbage's difference engine - what was it supposed to do?
• charles babbage - the difference engine
• charles babbage - the analytical engine
• charles babbage's legacy

Page 4

• george boole (1816-1864)
• herman hollerith, punched cards and ibm
• claude shannon
• howard aiken - the automatic sequence controlled calculator (harvard mk i)
• eniac - electronic numerical integrator and computer
• More about atanasoff berry computer
• john von neumann, e.d.v.a.c & the moore school lectures
• More about memory
• the manchester baby
• More about manchester baby replica

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