basics/scientific_notation.rb

tests/_examples/basics/scientific_notation.rb in the metorex repository.

puts 2e3
puts 2E3
puts 2e+3
puts 1.5e-3
puts 1e10.class
puts 2e3 + 1
puts(-2e3)

# A bare `e` with no digits after it is not part of the number.
e = 5
puts 2 * e

Output:

2000.0
2000.0
2000.0
0.0015
Float
2001.0
-2000.0
10