This is documentation for Mathematica 5, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

Documentation / Mathematica / Built-in Functions / Input and Output / Data Reading Options /

Real

FilledSmallSquare Real is the head used for real (floating-point) numbers.

FilledSmallSquare _Real can be used to stand for a real number in a pattern.

FilledSmallSquare You can enter a floating-point number of any length.

FilledSmallSquare You can enter a number in scientific notation by using the form mantissa*^exponent.

FilledSmallSquare You can enter a floating-point number in base b using b^^digits. The base must be less than 36. The letters a-z or A-Z are used in sequence to stand for digits 10 through 35.

FilledSmallSquare Real is also used to indicate an approximate real number in Read.

FilledSmallSquare See Section 2.12.8 and Section 3.1.1.

FilledSmallSquare See also: RealDigits, BaseForm, Number, Reals.

FilledSmallSquare New in Version 1; modified in 3.

Further Examples