Hi, first post here, this place has really come in handy a few times. Anyway, heres my question: I want to connect two 4 bit adders together (school related) in order to make it an 8 bit adder. Here's ...

In Part 1 of this two-part binary coded decimal (BCD) extravaganza, we introduced a bunch of bodacious concepts, including the binary (base-2) number system, binary logic, binary computers, and bits, ...

Most of us can do simple math in our heads, but some people just can’t seem to add two numbers between 0 and 3 without using paper, like [Aliaksei Zholner] does with his fluidic adder circuit built ...