Addition:
(a + b) + c = a + (b + c)
Multiplication:
(a x b) x c = a x (b x c)
This circuit was found in an American documentation from the 80s. The transistor can be any...
This circuit can be used to recognize a tone by its frequency. When this tone is present in a...
Found in a 1968 publication, this circuit generates signals with the waveforms shown next to the...
