We sure wish we’d had a teacher like [Danko Bertović]. He built this beautiful circuit sculpture to teach his students how to count in binary and convert it to decimal and hexadecimal. If you don’t ...

Systems requiring arithmetic operationson data usually performthose operations in binary form. As aresult, they must convert the data to BCDform for display purposes. Address-selectioninformation from ...

Binary and hexadecimal numbers systems underpin the way modern computer systems work. Low-level interactions with hexadecimal (hex) and binary are uncommon in the world of Java programming, but ...

Binary and hexadecimal are a bit baffling at a glance. The idea that a computer uses numbers and letters as representations of other numbers isn’t exactly the easiest idea to wrap your head around, ...

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 ...

Hex is useful because large numbers can be represented using fewer digits. For example, colour values and MAC addresses are often represented in hex. Additionally, hex is easier to understand than ...

It’s hard to believe today, but in the 1940s, the earliest computer technicians actually worked at the bit level. If a computer made a mistake and the technician determined it wasn’t from a burned-out ...