02.11.2014

New Metro style
02.11.2014

New name MCalc
02.11.2014

Replaced input on button
02.11.2014

Fixed bugs:
Now calculator considers multiplication and division together
No errors in the counting of the first negative number

New:
Improved regular expressions
Add functions ln and lg
Remove spaces
Replacement division ':' on '/'
Replacement ',' on '.'