In the course of the 1970s, handheld electronic calculators transformed the way tens of millions of people did arithmetic. Engineers abandoned slide rules, business people gave up desktop calculating ...

It’s possible quite a few of our older readers will remember the period from the 1960s into the ’70s when an electronic calculator was the cutting edge of consumer-grade digital technology.

this tool lets engineers quickly assess the solar-load magnitude where an electronic enclosure may reside. Additional online tools include: Heat Sink Resistance Calculator. Used for estimating the ...