Math
Lesson 9Author : 🦒
Last Updated : November, 2017
Video Code
puts 2 * 3 # Basic Arithmetic: +, -, /, *
puts 2**3 # Exponent
puts 10 % 3 # Modulus Op. : returns remainder of 10/3
puts 1 + 2 * 3 # order of operations
puts 10 / 3.0 # int's and doubles
num = 10
num += 100 # +=, -=, /=, *=
puts num
num = -36.8
puts num.abs()
puts num.round()
# Math class has useful math methods
puts Math.sqrt(144)
puts Math.log(0)