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Calculator

technology Maturity 7-9

A calculator helps with math.

Casio calculator JS-20WK in 201901 002.jpg
Casio calculator JS-20WK in 201901 002.jpg
It has many buttons. You press buttons to add numbers. It shows the answer on a screen. It is small and easy to carry. This helps us do work fast. Do you like math?

45 words
🖼️ Images & Media (19)
File:Casio calculator JS-20WK in 201901 002.jpg
Casio calculator JS-20WK in 201901 002.jpg
File:Fx-991EX.jpg
Fx-991EX.jpg
File:CalculatorFractions-5550x.jpg
CalculatorFractions-5550x.jpg
File:Interior of a calculator.jpg
Interior of a calculator.jpg
File:Tischrechner Walther ETR2034S resized.jpg
Tischrechner Walther ETR2034S resized.jpg
File:17th-century-mechanical-calculators.jpg
17th-century-mechanical-calculators.jpg
File:Grant mechanical calculating machine 1877.jpg
Grant mechanical calculating machine 1877.jpg
File:EdithClarkeCalculatorUSPatentDrawing.png
EdithClarkeCalculatorUSPatentDrawing.png
File:LED DISP.JPG
LED DISP.JPG
File:Elka-22 (I197211).png
Elka-22 (I197211).png
File:Olivetti Programma 101 - Museo scienza e tecnologia Milano.jpg
Olivetti Programma 101 - Museo scienza e...
File:Casio as-a ckt1 1c.jpg
Casio as-a ckt1 1c.jpg

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📚 Content adapted from Wikipedia | Readability: FK 14.6 | Vital Level 4