Arbitrary-precision floating-point numbers represented using
scientific notation.
A Scientific number is an arbitrary-precision floating-point number
represented using scientific notation.
A scientific number with coefficient c and base10Exponent e
corresponds to the Fractional number: fromInteger c * 10 ^^ e
Its primary use-case is to serve as the target of parsing floating
point numbers. Since the textual representation of floating point
numbers use scientific notation they can be efficiently parsed to a
Scientific number.
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