windchill formula uses exponents, how do we do that?

Using Arduino Programming Questions
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Henry_Best:

grendle:
the windchill formula uses exponents

Windchill  = 35.74 + 0.6215*T - 35.75(V^0.16) + 0.4275*T(V^0.16);

where T is temperature
V is wind speed
^0.16 is an exponent.
this is the layout from the nws site but ofcourse the ^0.16 is giving errors on compile, can someone help me please?

As 35.74 and 35.75 are very nearly equal, this formula could be rewritten as
Windchill = 35.74(1 - (V^0.16)) + T((0.4275(V^0.16)) + 0.6215) with very little error.

much appreciated henry, thank you kindly. i will certainly experiment with this info XD