Explanation of floating-point numbers

[dannyboi]

Could anybody explain floating point types numbers concisely, because the books definition I am reading is somewhat confusing, and explain how it is applicable in real life.

[alykins]

an int is a single number (without decimal point- it is an integer ie -2, -1, 0, 1, 2, ...)
float, double, decimal are all forms of a decimal number - not to be confused with decimal data type- (eg: 1.34, 5.68, 8.22, etc) but with varying degrees of precision.
a float has up to 7 points of precision, a double has 15-16 points of precision, and a decimal has 28-29 points of precision. These are data types of .Net, most languages are relatively close by comparison in 'what' the data types are called and their precision and size.

[gelee]

Floating pont is a character which
contains numbers or integers that
is decimal. That is according to our
Computer Science professor. Good day!


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