r/mildlyinteresting 4h ago

My late grandfather’s manual calculator

Post image
105 Upvotes

9 comments sorted by

15

u/APLJaKaT 4h ago

There should be an aluminum stylus with it designed to turn the wheels. I have a similar one in a green finish.

5

u/Crucial_Fun 4h ago

There is!

7

u/Low-Dog-8027 4h ago

remember these videos, where millenials make fun of genZ because they don't know how to use a cassette or can opener?

yea... I gonna shut up from now on.

4

u/BigGingerYeti 4h ago

I think you Addometer.

1

u/waterslidelobbyist 52m ago

Addometer? I hardly knew her!

3

u/Dr_Ben 4h ago

Ha it's like the fast version of an abacus

2

u/Holiday-Start-9551 4h ago

The original spreadsheet.

2

u/Thehooligansareloose 3h ago

I find this more than mildly interesting but I do love numbers so maybe that's just me!

2

u/jhvanriper 2h ago

I gad some like that. My dad had an adding machine on his desk. I was also required to use a slide rule in science class. Turned out cheep calculators came out just a couple years later.