Simple Arithmetic : puts « Language Basics « Ruby






  1. Ruby
  2. Language Basics
  3. puts

Simple Arithmetic


puts 1.0 + 2.0
puts 2.0 * 3.0
puts 5.0 - 8.0
puts 9.0 / 2.0

# This is what the program returns:
3.0
6.0
-3.0
4.5








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4.format a string with puts
5.format based string interpolation
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7.Comparing Floating-Point Numbers
8.use parentheses
9.Array on righthand side for multiple args
10.%d for decimal integers
11.hexadecimal integers
12.uppercase hexadecimal integers
13.octal integers string format
14.full-length floating-point numbers
15.force exponential notation
16.exponential with uppercase E
17.six significant digits
18.Use %f or %e depending on magnitude
19.Field width
20.Float number Precision
21.Field and precision combined
22.Multiple arguments to be formatted