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Polarization: Liquid Crystal Display of a Calculator
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INTELECOM / Science Source
Polarization: Liquid Crystal Display of a Calculator
Thermogram of a calculator
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GIPhotoStock / Science Source
Thermogram of a calculator
Calculator X-Ray
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Bert Myers / Science Source
Calculator X-Ray
Calculator X-Ray
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Bert Myers / Science Source
Calculator X-Ray
Calculator X-Ray
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Bert Myers / Science Source
Calculator X-Ray
Calculator X-Ray
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Bert Myers / Science Source
Calculator X-Ray
Graphing Calculator
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Aaron Haupt / Science Source
Graphing Calculator
Abacus
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Van D. Bucher / Science Source
Abacus
Mechanical Calculator
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Ted Kinsman / Science Source
Mechanical Calculator
Mechanical Calculator
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Ted Kinsman / Science Source
Mechanical Calculator
Mechanical Calculator
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Ted Kinsman / Science Source
Mechanical Calculator
Mechanical Calculator
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Ted Kinsman / Science Source
Mechanical Calculator
Pile Of Student's Books
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Kelly Redinger / Design Pics / Science Source
Pile Of Student's Books
Abacus
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Will & Deni McIntyre / Science Source
Abacus
Abacus
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Will & Deni McIntyre / Science Source
Abacus
19th Century Calculator
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New York Public Library / Science Source
19th Century Calculator
Calculator
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Texas Instruments, Inc. / Science Source
Calculator
Slide Rule
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Tony Freeman / Science Source
Slide Rule
Solar cell powered calculator
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GIPhotoStock / Science Source
Solar cell powered calculator
Tax Time Stress
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Science Source
Tax Time Stress
Mathematics Tools
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Science Source
Mathematics Tools
Mathematics Tools
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Science Source
Mathematics Tools
Mathematics Tools
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Science Source
Mathematics Tools
Tax Time Stress
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Science Source
Tax Time Stress
Morland's Multiplication Machine
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New York Public Library / Science Source
Morland's Multiplication Machine
Logarithmic Calculator
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New York Public Library / Science Source
Logarithmic Calculator
17th Century Calculating Machine
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Tomsich / Science Source
17th Century Calculating Machine
Abacus
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Lawrence Migdale / Science Source
Abacus
Math class
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Will & Deni McIntyre / Science Source
Math class
Abacus
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Scott Camazine / Science Source
Abacus
Calculator
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Ted Kinsman / Science Source
Calculator
Math class
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Will & Deni McIntyre / Science Source
Math class
Learning Arithmetic with Calulators
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Photo Researchers / Science Source
Learning Arithmetic with Calulators
Edith Clarke, American Electrical Engineer
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Science Source / Science Source
Edith Clarke, American Electrical Engineer
Edith Clarke, Clarke Calculator Patent
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Science Source / Science Source
Edith Clarke, Clarke Calculator Patent
High Speed Flight Station, Human Computers, 1949
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NASA/Science Source / Science Source
High Speed Flight Station, Human Computers, 1949
Langley Research Center, Human Computer, 1952
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NASA/Science Source / Science Source
Langley Research Center, Human Computer, 1952
Trying To Balance The Books
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Leah Hammond / Design Pics / Science Source
Trying To Balance The Books
Profit
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Darren Greenwood / Design Pics / Science Source
Profit
Cleaning up business accounts
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Jamie Jones / Science Source
Cleaning up business accounts
Collage of calculator symbols
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Nanette Hoogslag / Science Source
Collage of calculator symbols
History of Computing from Antiquity to 19th Century, Silent Montage
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Jessica Wilson / Science Source
History of Computing from Antiquity to 19th Century, Silent Montage
Burroughs Adding Machine, 1886
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New York Public Library / Science Source
Burroughs Adding Machine, 1886
Mechanical Calculator
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New York Public Library / Science Source
Mechanical Calculator
Female Doctor Working with Calculator
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Sigrid Gombert / Science Source
Female Doctor Working with Calculator
Female Doctor Working with Calculator
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Sigrid Gombert / Science Source
Female Doctor Working with Calculator
Doctor Working with a Calculator
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Sigrid Gombert / Science Source
Doctor Working with a Calculator
Female Doctor Working with a Calculator
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Sigrid Gombert / Science Source
Female Doctor Working with a Calculator
Female Doctor Working with a Calculator
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Sigrid Gombert / Science Source
Female Doctor Working with a Calculator
Female Doctor Working with a Calculator
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Sigrid Gombert / Science Source
Female Doctor Working with a Calculator
Female Doctor working with a Calculator
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Sigrid Gombert / Science Source
Female Doctor working with a Calculator
Adding Machine
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Burroughs Corporation / Science Source
Adding Machine
Monroe Electronic Bookkeeper
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Monroe Systems for Business / Science Source
Monroe Electronic Bookkeeper
Adding Machines
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Victor Business Products / Science Source
Adding Machines
Accounting Machine
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Monroe Systems for Business / Science Source
Accounting Machine
Adding Machine
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Victor Business Products / Science Source
Adding Machine
Charles Babbage, First Difference Engine
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New York Public Library / Science Source
Charles Babbage, First Difference Engine
Victor Manual Calculator
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Tony Freeman / Science Source
Victor Manual Calculator
Old & New Ways of Math
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Science Source
Old & New Ways of Math
Morland's Multiplication Machine
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New York Public Library / Science Source
Morland's Multiplication Machine
Morland's Multiplication Machine
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New York Public Library / Science Source
Morland's Multiplication Machine
Poleni's Calculating Machine
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New York Public Library / Science Source
Poleni's Calculating Machine
17th Century Calculating Machine
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Tomsich / Science Source
17th Century Calculating Machine
Students taking test
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Martin Shields / Science Source
Students taking test
Sixth Grade Science Class
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David Grossman / Science Source
Sixth Grade Science Class
X-ray of calculator
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Bert Myers / Science Source
X-ray of calculator
X-ray of calculator
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Bert Myers / Science Source
X-ray of calculator
Bills
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Aaron Haupt / Science Source
Bills
Middle School
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Will & Deni McIntyre / Science Source
Middle School
History of Computing from Antiquity to 19th Century, with Audio & Text
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Jessica Wilson / Science Source
History of Computing from Antiquity to 19th Century, with Audio & Text
Single Mom Stressed About Bills
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Con Tanasiuk / Design Pics / Science Source
Single Mom Stressed About Bills
Calculator and numbers
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Alex Williamson / Science Source
Calculator and numbers
Calculating Machine
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NYPL / Science Source
Calculating Machine
Blaise Pascal, Mechanical Calculator, 1642
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Science Source
Blaise Pascal, Mechanical Calculator, 1642
Middle School Special Education
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Spencer Grant / Science Source
Middle School Special Education
Blaise Pascal, Pascaline, 1642
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Album / Oronoz / Science Source
Blaise Pascal, Pascaline, 1642
Blaise Pascal, Pascaline, 17th Century
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Album / Oronoz / Science Source
Blaise Pascal, Pascaline, 17th Century
Pocket calculator showing LCD panel & keypad
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JOHN HOWARD. / Science Source
Pocket calculator showing LCD panel & keypad
Part of design for mechanical calculating machine
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J-L CHARMET / Science Source
Part of design for mechanical calculating machine
Circuit board with control chip
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MARTIN DOHRN. / Science Source
Circuit board with control chip
The Comptometer, calculator
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Sheila Terry / Science Source
The Comptometer, calculator
Post-it stickers
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John Heseltine / Science Source
Post-it stickers
Solar powered calculator on photovotaic cells
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Martin Bond / Science Source
Solar powered calculator on photovotaic cells
Solar powered calculator
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Adam Hart-Davis / Science Source
Solar powered calculator
Broke
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Darren Greenwood / Design Pics / Science Source
Broke
Broke
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Darren Greenwood / Design Pics / Science Source
Broke
Overhead view of personnel manager's desk
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Ade Akinrujomu / Science Source
Overhead view of personnel manager's desk
Couple investing in buy to let property
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Alice Mollon / Science Source
Couple investing in buy to let property
Examining gender issues at work
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Malin Rosenqvist / Science Source
Examining gender issues at work
Man paying utility bills and using calculator
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John Holcroft / Science Source
Man paying utility bills and using calculator
School stationery equipment set
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Alice Potter / Science Source
School stationery equipment set
Allegory of Arithmetic, 16th Century
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New York Public Library / Science Source
Allegory of Arithmetic, 16th Century
Allegory of Arithmetic, 16th Century
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New York Public Library / Science Source
Allegory of Arithmetic, 16th Century
Woman with calculator backpack financial forecasting
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Alice Mollon / Science Source
Woman with calculator backpack financial forecasting
Expecting A Future Accountant
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Misty Bedwell / Design Pics / Science Source
Expecting A Future Accountant
Couple Engaged In Serious Discussion
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Con Tanasiuk / Design Pics / Science Source
Couple Engaged In Serious Discussion
Couple Involved In Disagreement
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Con Tanasiuk / Design Pics / Science Source
Couple Involved In Disagreement
Man And Woman Fighting Over Bills
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Con Tanasiuk / Design Pics / Science Source
Man And Woman Fighting Over Bills
Man clearing out basement of things made obsolete by smartphone apps
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John Holcroft / Science Source
Man clearing out basement of things made obsolete by smartphone apps
Hand choosing a function from smart phone
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Patrick George / Science Source
Hand choosing a function from smart phone
Elderly Person Indoors
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B. Boissonnet / Science Source
Elderly Person Indoors
Woman Indoors
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B. Boissonnet / Science Source
Woman Indoors
Woman Interior
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B. Boissonnet / Science Source
Woman Interior
Woman Indoors
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B. Boissonnet / Science Source
Woman Indoors
Woman Doing Paperwork
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B. Boissonnet / Science Source
Woman Doing Paperwork
Calculator, pen and unprocessed statistical data
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ROSENFELD IMAGES LTD / Science Source
Calculator, pen and unprocessed statistical data
Businessman analysing current stock market prices
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ROSENFELD IMAGES LTD / Science Source
Businessman analysing current stock market prices
Calculator
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GODONG / Science Source
Calculator
Calculator
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Jon Stokes / Science Source
Calculator
Calculator
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Garo/Phanie / Science Source
Calculator
Samuel Morland, English mathematician & inventor
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SPL / Science Source
Samuel Morland, English mathematician & inventor
Wilheim Schickard, German mathematician
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SPL / Science Source
Wilheim Schickard, German mathematician
Pascaline
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Jean-Loup Charmet / Science Source
Pascaline
Taxes
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Phanie / Science Source
Taxes
A pascaline,a mechanical calculating machine
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J-L Charmet / Science Source
A pascaline,a mechanical calculating machine
Hands carrying out a calculation on an abacus
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Oscar Burriel / Science Source
Hands carrying out a calculation on an abacus
Couple paying bills at table
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Gustav Dejert / Science Source
Couple paying bills at table
Algorithms Triumphing over Abacus
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New York Public Library / Science Source
Algorithms Triumphing over Abacus
Abacus
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Publiphoto / Science Source
Abacus
Calculator, X-ray
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NICK VEASEY / Science Source
Calculator, X-ray
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