Calculating posters & prints

Blaise Pascal Calculating Machine Anonymous

Early Math Calculator with Handle Anonymous

Part of abacus Anonymous

Using a quadrant with a plumb bob to calculate the height of a tower by triangulation, 1551 Unknown

Israel Abraham Staffel's Calculating Machine Anonymous

Clerk using a Pascal adding machine Anonymous

Using astrolabes to calculate the height of a steeple, 1539 Petrus Apianus

Rechnender Greis [Old Man Calculating] Paul Klee

'Superdigit' mathematical calculator Robert Flower

Calculating Machine for Predicting Tides Anonymous

Calculating Longitude with the Declination of the Sun Jan van der Straet

Mental calculation at primary school, 1895 Nikolai Petrovich Bogdanov-Belsky

The American Centennial Exhibition, 1876: Outside The Exhibition: The lightning Calculator Anonymous

Smelling Out a Rat; or the Atheistical-Revolutionist Disturbed in His Midnight Calculations Anonymous

Print of a Man at an Electrical Tabulation Machine Anonymous

Short Circuit Calculating Table Anonymous

Caricature of Cambon calculating the ruin of the proprietors, the capitalists and the rentiers French School

Pascal's Adding Machine Anonymous

Smelling out a rat; or the atheistical-revolutionist disturbed in his midnight calculations Anonymous

Method of laying an artillery piece on target using Gunner's scale, 18th century Unknown

Illustration of the Difference Engine Anonymous

1960s Business Baby Sitting In Chair Holding Telephone With Calculator Adding Machine File Drawers Looking Back Over Shoulder Anonymous

The Calculating Type by Keisai Eisen from the series Imayo bijin junikei (Twelve scenes of modern beauties) Anonymous

Difference Engine No. 1, Charles Babbage

Male hands holding a slide rule measure Anonymous

Engineers with slide rules Anonymous

2 students professors mathematicians blackboard studying complex equations Anonymous

Telling time at night using a nocturnal, 1539 Unknown

Kepler and Brahe at work together (c1600), c1870 Anonymous

1960s Smiling Accountant Office Worker Baby Wearing Cloth Diaper Sitting In Chair Using Adding Machine Calculator Anonymous

Reiner Gemma Frisius, Dutch astronomer, geographer, cartographer and mathematician, 1539 Unknown

Print of Nostradamus Making Calculations Anonymous

Mathematics Lesson, from a mathematical treatise Italian School

1960s baby seated in small chair hitting keys on office adding machine on top of small file drawers Anonymous

Woman holding eyeglasses and end of extremely long tape from office machine Anonymous

1960s two babies wearing diapers in business office with adding machine playing accountant Anonymous