Floating-point or real numbers can be used to represent both very small fractions and very large numbers.
However, unlike a LONG which can hold every integer in a certain range (see 3.1.1 Variable types), floating-point numbers have limited accuracy.
Be warned, though: using floating-point arithmetic in E is quite complicated and most problems can be solved without using floating-point numbers, so you may wish to skip this chapter until you really need to use them.
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