Convert string to decimal number in ruby

Question

I need to work with decimals. In my program, the user need to put a number with decimals to convert that number.

The problem is: If I try to convert the argument into a

Answer 1

You also can use the decimal class for it

a = '2.45'
Decimal(a) # => 2.45

UPDATE:

Use bigdecimal as @bigtex777 mentioned:

source: http://ruby-doc.org/stdlib-2.2.2/libdoc/bigdecimal/rdoc/BigDecimal.html