9 Math & Numbers
puts 5
5 puts 5.76554
5.76554 puts -5.76554
-5.76554
puts 5 + 9
14
puts 2 ** 3
8
puts 10 % 3
1
num = 20 puts ("my fav num " + num) puts ("my fav num " + num.to_s)
my fav num 20
num = -20 puts num.abs()
20 num = 20.487 puts num.round()
20 num = 20.687 puts num.round()
21
Round up ceil () num = 20.1 puts num.ceil()
21
Rounded down floor () num = 20.9 puts num.floor()
num = 20.9 puts Math.sqrt() puts Math.sqrt(36)
6 puts Math.log(1)
0.0
puts 1 + 7
8 puts 1.0 + 7
8.0 puts 10 / 7
1
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