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.. _arduino-fpconstants:
floating point constants
========================
Similar to integer constants, floating point constants are used to
make code more readable. Floating point constants are swapped at
compile time for the value to which the expression evaluates.
Examples:
``n = .005;``
Floating point constants can also be expressed in a variety of
scientific notation. 'E' and 'e' are both accepted as valid
exponent indicators.
::
floating-point evaluates to: also evaluates to:
constant
10.0 10
2.34E5 2.34 * 10^5 234000
67e-12 67.0 * 10^-12 .000000000067
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