Initial commit
Initial commit
Update .gitignore
Implemented expression parser/evaluator; started to work on interface
Merge branch 'master' of github.com:georgeee/GCalc
Implemented interface
Fixed factorial bug, GDouble's toString()
Update some styles
Implemented portrait orientation
Implemented better support of operator's priorities, divided plus, subtract operators into unary and binary forms
Tiny debug + added test on hyperbolic functions
Set double print fromat to (up to) 15 decimal digits after point
Update readme; reformated code