[Texas Fossil]

Yes, but I defy you to add a string of numbers up on a slide rule.

A piece of paper and a pencil will in the right hands.

A slide rule will multiply, divide, work in powers and roots, make trig calculations. BUT will not add and subtract. An Abicus will.

I by the way have several of them. My first was a K&E Descilon I purchased when I was in high school. And I have several that were my father-in-law’s. He was an EE.

[bert]

EE's carry their K&E Log log dectrig's clipped to their belt's.

Real engineers carry them upside down in their hip pocket