Calculating posters & prints

Blaise Pascal Calculating Machine Anonymous

Rechnender Greis [Old Man Calculating] Paul Klee

Israel Abraham Staffel's Calculating Machine Anonymous

Early Math Calculator with Handle Anonymous

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

Part of abacus Anonymous

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

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

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

'Superdigit' mathematical calculator Robert Flower

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

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

Calculating Machine for Predicting Tides Anonymous

Clerk using a Pascal adding machine Anonymous

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

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

Short Circuit Calculating Table Anonymous

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

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

Print of a Man at an Electrical Tabulation Machine Anonymous

Pascal's Adding Machine Anonymous

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

Print of Nostradamus Making Calculations Anonymous

Illustration of the Difference Engine Anonymous

2 students professors mathematicians blackboard studying complex equations 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

Engineers with slide rules Anonymous

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

John Andrews's Circulating Library bookplate by Joseph Shepperd, published in Calcutta, 1774 English School

Difference Engine No. 1, Charles Babbage

Experiment to calculate the speed of sound in air, Paris, 1822 (1873) Amedee Guillemin

Experiment to calculate the speed of sound in air, Paris, 1822, (c1880) Robert Brown

Telling time at night using a nocturnal, 1539 Unknown

Copy of a fragment of the Dresden Codex showing Mayan astronomical calculations School Mexican

Male hands holding a slide rule measure Anonymous