Jerry Merryman, an inventor of the handheld calculator, dies at 86

There were mechanical handheld calculators before electronic ones.

https://en.wikipedia.org/wiki/Curta

"Curtas were considered the best portable calculators available until they were displaced by electronic calculators in the 1970s."

As from Ancestry.com: Other occupational names include Archer, Baker, Brewer, Butcher, Carter, Clark, Cooper, Cook, Dyer, Farmer, Faulkner, Fisher, Fuller, Gardener, Glover, Head, Hunt or Hunter, Judge, Mason, Page, Parker, Potter, Sawyer, Slater, Smith, Taylor, Thatcher, Turner, Weaver, Woodman, and Wright.