Calculator: Mobile CSS, Corrected Trig Functionality (#4087)

* Enable history panel on mobile

* Namespace CSS rules, remove trailing spaces

* namespace all css rules

* cleanup indentation

* remove pete's css hacks

* Namespace additional css rules

* left align calculator with search box

* Implement full width mobile UI

* remove unused css

* remove unused ids

* Beter handling of history col for small screens

* Switch back to using on methd

* Fix trig regex and evaluation, remove precision

* Ensure subtitle overflows on left, prevent history item overflow

* Prevent subtitle text from being clipped

* Remove evalmath obj

* Updated conditional

* Add support for numpad period

* Fixed on start clear.

* Add postfix detection. Fixed infinity ledger.

* Removed Factorial BigNum hacks.

* Removed unnessesary code introduced.

* Fixed shift / clear issue.

* Remove undefined key strokes.

* Fix pi in exponents.

* Make return consistent.

* Fix broken history

* Apply user-select rules to desktop and mobile

* cleanup trailing spaces, commented out css

* Fix backspacing issue with operands.

* Remove console logs