IEEE floating point numbers have just three parts – a sign, an exponent, and a fraction. While a 32-bit floating point number is capable of expressing numbers between 10^-38 and 10^38, with ...

Floating-point numbers, such as 1.234, contain decimal points. If you add floating-point numbers as shown below, JavaScript retains the decimal points, as shown below: ...

If that’s not your way you might be out of luck. If you have trouble internalizing floating point number representations, the Internet is your friend.