Addition:
(a + b) = (b + a)
Multiplication:
a x b = b x a
Found in a 1960 Sylvania manual, this circuit can be implemented with a modern equivalent...
We found this circuit in a 2006 publication. The circuit is simple, being powered by a 9 V...
This circuit is from a Popular Electronics from the 90s, consisting of a repeater relay for remote...
