Log2
The base-2 (binary) logarithm of z.
Wolfram Language
Log2✓Log2(z)the base-2 logarithm of z, Details
- Equivalent to Log(z, 2), and identical to Lb.
- Folds exactly for positive integer powers of 2, but not for exact rational powers less than 1 (e.g.
) -- only a floating-point argument reduces there.