Flowdock
method

log2

Importance_1
log2(p1) public

Returns the base 2 logarithm of numeric.

Math.log2(1)      #=> 0.0
Math.log2(2)      #=> 1.0
Math.log2(32768)  #=> 15.0
Math.log2(65536)  #=> 16.0
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