The Evolution of Calculators | Good Calculators
https://goodcalculators.com/content/math-tips-for-students-and-teachers/the-evolution-of-calculators/
WebAug 27, 2016 · The first electronic calculator was developed in the 1960's and since that time radical technological improvements have resulted in smaller, more advanced devices. Imagine using a calculator as large as a modern desktop computer. Prior to the 1970s, calculators were bulky and expensive, only able to perform a limited number of tasks.
DA: 37 PA: 88 MOZ Rank: 38