CALCULATOR

Features

• Keyboard or interface typing.
• Reuse of the previous answer if start typing an operator.
• Supports double negation (--).
  • Example: 9--9 = 18.
• Supports directly opening parenthesis (multiplication).
  • Example: 9(9) = 81
• Detect & prevent unbalanced parenthesis
• Will not submit an unfinished statement
• Won't fail on big numbers (1e+21)

Installation

Nothing to install.

Just put the files on a server for the links to work (css, js).

Browse to:

• http://localhost/index.html

Tests

Browse to:

• http://localhost/tests/index.html