Post on 04-Jun-2018
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THEEVOLUTIONOFCALCULATORS
Group Members:Nejo Varghese
Mahesh Navale
Nikhil Karemore
Roshni Nair
Medha Rewadekar
Mitali Sharma
Prajakta UthayaKumar
Nitya Desul
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4000 12000 B.C. CLAYTABLETS
Sumerians kept track of commercial transactions on clay tablets.
The Sumerians were the first known civilization and it is
believed this system was the precursor for the calculator.
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3000 B.C. - ABACUS
Babylonians create an abacus following the Sumerians. The
abacus would spread throughout Egypt, Greece, Persia and Asia.
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1STCENTURYB.C.
GREEKANTIKYTHERAMECHANISM.
Antikythera Mechanism is dedicated to astronomical phenomena and
operates as a complex mechanical "calculator" which tracks the cycles
of the Solar System. The Antikythera Mechanism dates from around
the 1st century B.C. and is the most sophisticated mechanism known
from the ancient world.
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1452 - 1519
LEONARDODAVINCIS
MECHANICALCALCULATOR
First mechanical calculator may have been conceived by
Leonardo da Vinci around 1502.
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1600 - NAPIERSBONES
Invented by John Napier for multiplication, and based on the
ancient numerical scheme known as the Arabian lattice.
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1620 - LOGARITHMICRULEEdmund Gunter developed a logarithmic rule for multiplication
and division using dividers, which was the forerunner of the slide rule.
1622 CIRCULARSLIDERULE
William Oughtred invented the circular slide rule, and in 1633
described the rectilinear version.
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1623 CALCULATINGCLOCK
William Schickard designed the first calculator to assist in multiplication
known as the CalculatingClock."
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1642 - PASCALINE
Blaise Pascal developed a mechanical calculator - the Pascaline. Capable
of addition, subtraction was performed by nines- complement addition,
and multiplication was performed by repeated additions and
subtractions.
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1674 - STEPPEDRECKONER
Gottfried Leibniz constructed the first calculator capable of multiplication
and division. He Developed the Stepped Reckoner using stepped gear
wheels. Performed the 4 functions, add subtract multiply and divide.
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1820 - ARITHMOMETER
Charles Xavier Thomas invents the Arithmometer that becomes
first mass produced calculator.
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1822 - DIFFERENCEENGINE
Charles Babbage conceived the original Difference Engine
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1874 - THEODHNERCALCULATOR
The Odhner calculator, invented by the Swedish engineer W.T.
Odhner, is based on the pin-wheel principle.
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1884 - COMPTOMETER
Dorr E. Felt invents the Comptometer, the first succesfull key-driven
adding and calculating machine. In 1886 he joined with Robert Tarrant to
form the Felt & Tarrant Manufacturing Company
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1890 - CALCULIMETER
Invented by Charpentier of France
1902 - THEDALTON
The Dalton adding-listing machine
was the first of its type to use only
ten keys first 10-key add-lister.
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1947 - CURTAMINIATURE
Curta miniature hand-held mechanical
calculator introduced
1961 - ANITAMKVIIANDANITAMK8.
First electronic desktop calculator - Bell
Punch/Sumlock Anita Mk VII and Anita
MK8 - based on cold-cathode vacuum
tubes. Orange discharge tube displays
used.
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1978 SOLARCALCULATORS
The worldsfirst solar powered calculators were
released.
1978 - MINIATURECALCULATORS
Casio releases first miniature
calculator Casio Mini Card LC-78.
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1993 THENEWTON
Apple releases the first personal digital
assistant the Newton.
Microsoft develops Power Calculatorfor Windows XP as part of
PowerToys." Power Calculator allows users to perform calculations,
conversions, evaluate and graph functions. It is a free app.
2001 MICROSOFTPOWERCALCULATOR
2011 APPLEIOS5
Apple releases ios5 that brings modern calculators to smartphone users.
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CONCEPTCALCUATORS: LEXONROSWELL
CALCULATOR
It has a transparent screen that displays the information. The Roswell
calculator is made from a single piece of aluminium
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CONCEPTCALCUATORS: TWINCALCULATOR
The hand-held twin calculator designed by D.K. & Wei offers a flexible
way for one to work on mathematics - A solar-powered digital calculator is
built on the front with a full touch interface for an efficient calculation.
Meanwhile, one can always enjoy fun calculating with beads from a back
Mini Chinese abacus!
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THANKYOU!