Hi this is Katy Steven
I am in first year of my engineering, and here I am learning lots of programming languages, in many places one common terms coming again and again i.e. Float and Double, while both are primitive data type to store decimal value, therefore I want to know basic concept as well as what is the difference in between both of them.
Awaiting for your reply.

    Well, since this is a PHP forum, the PHP answer is that the only native primitive numeric types are integer and float, so you don't have to worry about it here. (You could, however, use the BCMath extension if you need higher precision.)

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