This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.

* 

        # Float.*

(from ruby core)
---
    self * other -> numeric

---

Returns a new Float which is the product of `self` and `other`:

    f = 3.14
    f * 2              # => 6.28
    f * 2.0            # => 6.28
    f * Rational(1, 2) # => 1.57
    f * Complex(2, 0)  # => (6.28+0.0i)

This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.