Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Vintage scientific calculator from Texas - isolated on white with soft shadow + clipping path
Old vintage pocket electronic calculator isolated on white background
Woman using a calculator in her hand
Old electronic organizer with liquid crystal display with the flap open isolated on a white background. Obsolete technology of the 90s
Logarithmic ruler on black background. Stationery for engineers and students
glasses and a pen on a book
group of old slide rule slipstick analogue computer for mathematical calcululs, close view
A retro calculator from above on a flat color background.
selective focus, calculator or calculating machine on a white background, a tool for calculating from simple calculations
Black background
Old fashioned slide rule isolated on black background.
Stationary on a rosewood table ready for a meeting. Placed on the table are a calculator, noteboook, pen and pencil. No people. Copy space.
Pencil, old slide rule and scientific electronic calculator page with the calculations in progress
Scientific calculator
mechanical add/subtract calculator manipulated by a stylus for addition and subtraction and a leather case\nAn old mechanical slide rule operated with a pen with which additions and subtractions are possible and a leather case.
Top View Of Calculator
Contemporary scientific calculator with advanced calculation keysAs, and rAgle A calculus, ancAtre of the calculator
Dusty calculator on the wood table
Old vintage pocket electronic calculator isolated on black background
Calculator and abacus on blank spiral notebook
Logarithmic ruler, pencil on a wooden table. Stationery for engineers and students
slide rules made of wood and plastic
vintage hand computer calculator
Set of old calculators in the cabinet
Gothenburg, Sweden - October 08 2023: Canon Palmtronic LC-8M pocket calculator on black background.
Calculator on wooden table, 1980s
tools used by a mathematician to evaluate numbers calculator and a slide rule
A photograph of the input button on a desktop calculator in the style of a product photograph. Photographed in April 2017 in the living room of Higashimurayama City, Tokyo, Japan.
The slide rule is an instrument of analog computing, which exploits the properties of logarithms, returning more complex operations (products, quotients, exponentials) to simpler operations on logarithms of their operands. These are carried out graphically by moving one or more rods graduated with a logarithmic scale.
Calculator and abacus on blank spiral notebook
Free Images: "bestof:Keuffel & Esser - Sperry, Model 4016 Pocket Calculator - MIT Slide Rule Collection - DSC03581.JPG en MIT Slide Rule Collection MIT Museum Cambridge"
Terms of Use   Search of the Day