Python makes a pretty nice interactive calculator. You can do the other way around, too, with the builtin function bin(x). (And there are also hex() and oct() builtins, if you also need to go back ...

Floats in Python are implemented as double precision floating point real numbers, values that can be represented in straightforward decimal or scientific notations. These 8-byte (64-bit) values ...

A bitwise operator works with the binary representation of a number rather than that number's value. The operand is treated as a set of bits rather than a single number. The operation then ...