Refactoring permission variables in web folder.
Refactoring common session variable names in web folder.
Refactoring determinant session variable names in web folder.
Refactoring scalar session variable names in web folder.
Refactoring inverse session variable names in web folder.
Refactoring sum session variable names in web folder.
Refactoring subtract session variable names in web folder.
Refactoring least squares session variable names in web folder.
Refactoring multiply session variable names in web folder.
Refactoring option session variable names in web folder.
Refactoring get parameters in web folder.
Refactoring quantity session variable names in web folder.
Refactoring  local vectors variables names in web folder.
Refactoring  matrixes variables names in web folder.
Refactoring div names in web folder.
Refactoring menu variable names in web folder.
Refactoring forms in web folder.
Refactoring form validation in web folder.
Refactoring lists in web folder.
Refactoring lists in web folder.