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

scale 

        # BigDecimal.scale

(from ruby core)
---
    scale -> integer

---

Returns the number of decimal digits following the decimal digits in
`self`.

    BigDecimal("0").scale         # => 0
    BigDecimal("1").scale         # => 1
    BigDecimal("1.1").scale       # => 1
    BigDecimal("3.1415").scale    # => 4
    BigDecimal("-1e20").precision # => 0
    BigDecimal("1e-20").precision # => 20
    BigDecimal("Infinity").scale  # => 0
    BigDecimal("-Infinity").scale # => 0
    BigDecimal("NaN").scale       # => 0

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.