On Screen Calculator
BUGFIX: Fixes negative number toggle and percentage display
FEATURE: Numbers more than 9 can be calculated
REFACTOR: Move the display of results out of document.ready
Eliminating unnecessary callback bind of another callback
Get rid of toFloat function as it only wrapped parseFloat
Extract clearing functionality into it's own function
Adjust spacing of function crunchNumbers
REFACTORING: Per Zee's recommendations
REFACTOR: Combine pushes into computation array
REFACTOR: Separating view logic from application logic
REFACTOR: Break up application into application logic, input modification, and view
REFACTOR: update specs to test calculate function instead of individual operations
Move Params constructor into document ready
Pass parameters instance into application
REFACTOR: Move lookup tables and individual Calculator operations into operator property.  Use DOM elements passed in when app initialized
Use DOM elements passed in through document ready instead of reaching into the DOM to modify a value each time.
Merge pull request #1 from ltrainpr/lionel

On Screen Calculator