21 Outdated Office Technologies… and What Replaced Them

Endangered: Calculator

Unless you’re a mathematician or an accountant, a calculator is no longer in your arsenal. There was a time, however, when calculators and adding machines were considered the peak of technological advancement. To think you would no longer have to work out simple equations on paper in order to properly fill out your expense report. Calculators are possibly the most readily available device on this entire list included in the endangered section, though few employees will find the need to use an individual calculator throughout their entire careers.