Revert "added sin cos tan scientfic functions to calculator modified app view js code"

This reverts commit 957f159e0f8dff022699f8c999c9227473fb00b6.
Revert " Added css styles changes to background text color schemes and button changes"

This reverts commit f6895a7761422b0ab2071ed2b5b9f02a37d027f2.
Revert "Added buttonskeypad, functions multiplications, functions divisions, functions , sin cos, tan, ctg, and cube root and cubic functions"

This reverts commit c01e4c8202730b9156b9d4f7c113b6abafa601ff.
Revert "Merge branch 'master' of github.com:jlbaez/calculator"

This reverts commit 1cdc18c252254d6d9892cbd017d6409df27736d8, reversing
changes made to e521de46252eb4b5cebe11d0ca719ec472f684ff.
Revert "keypad to right user input added"

This reverts commit e521de46252eb4b5cebe11d0ca719ec472f684ff.