Addition:
(a + b) + c = a + (b + c)
Multiplication:
(a x b) x c = a x (b x c)
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...
We discovered this circuit in an English magazine that no longer exists. The magazine is from...
This circuit was found in Motorola documentation from the 1980s. The components are of the time,...
