What does double mean in brief?

Question

Please provide me details about the meaning of double

Answer 1

hi,
double is a float with two decimal (like for cash) :
ex = 3.14 or 16.00 or 1.05

Answer 2

you can use double or float but double will save memory (because float can be use for more long number like 3.1416.....87654433...)

in this case, i recommanded double

but after it's depend how you need to be precise

Answer 3

Okk if it is 3.1 do i need to use double?

Answer 4

Thanks for clarifying my question...i messaged u please reply to me 😊😊