Links to binary, decimal and hexadecimal conversionLinks to the logical operators AND (^) OR (v) and NOT(~)

Here is the link to previous posts about conversion from decimal to binary and hexadecimal numbers systems, including practice problems.

Here are posts with practice problems for using bitwise logical operators.
 

Link to the story of four great mathematicians

Here is a link to the life stories of Archimedes, Newton, Euler and Gauss.