Just A Whimsical Thought...

[Jackdaw33]

...can anyone come up with a logical reason why numeric keypads on telephones and calculators are in reverse order? Just noticed this today.

[Buenchico]

Numeric keypads followed the design used for mechanical adding machines:
https://cdn.shopify.com/s/files/1/0268/0005/products/Victor_Adding_Machine_1.JPG?v=1475274379

More here:
https://electronics.howstuffworks.com/question641.htm

[Jackdaw33]

I had a feeling you might know, Chico. Cheers.

[Tilly2]

Chico is nothing if not logical. :-)

[Jackdaw33]

He's our very own Mr Spock!

[johnk]

I never even noticed!! I'm so observant?

[Khandro]

I recently read of an English doctor working in the Far East who had trained an assistant to use a calculator and he noticed whenever she used it she always checked the answer on her abacus.