diff options
Diffstat (limited to 'Doc/library/math.rst')
| -rw-r--r-- | Doc/library/math.rst | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Doc/library/math.rst b/Doc/library/math.rst index 488230a..566603d 100644 --- a/Doc/library/math.rst +++ b/Doc/library/math.rst @@ -150,8 +150,10 @@ Power and logarithmic functions .. function:: log(x[, base]) - Return the logarithm of *x* to the given *base*. If the *base* is not specified, - return the natural logarithm of *x* (that is, the logarithm to base *e*). + With one argument, return the natural logarithm of *x* (to base *e*). + + With two arguments, return the logarithm of *x* to the given *base*, + calculated as ``log(x)/log(base)``. .. function:: log1p(x) @@ -162,7 +164,8 @@ Power and logarithmic functions .. function:: log10(x) - Return the base-10 logarithm of *x*. + Return the base-10 logarithm of *x*. This is usually more accurate + than ``log(x, 10)``. .. function:: pow(x, y) |