% Math and Random Numbers
See `(doc "math/")`.
~~~python
(math/random) # => random num from 0 to < 1.
# To get a new and different rand each time through, do
# this first.
(math/seedrandom (os/cryptorand 8))
(math/round 4.6) # => 5
# To round to `n` decimal places:
(defn round-places
``Arg `n` should be an integer > 0.``
[x n]
(let [m (math/pow 10 n)]
(/ (math/round (* x m))
m)))
(round-places 4.123 2) # => 4.12
~~~