Addition:
(a + b) + c = a + (b + c)
Multiplication:
(a x b) x c = a x (b x c)
This circuit was found in a 2000 Poptronics. The magazine no longer exists, but the circuit can be...
This 80's circuit has an input resistance of the order of 880 M and gain 10, using operational...
This circuit can be used in a toy organ. The frequencies are determined by the capacitors selected by...
