Create CalculatorApp.py

[SMK-07]

The Calculators are been invented as an item which saves the most of our time of calculating complex numericals and after the simplification of angled calculations as sin, cos etc it became even more easy for the human kind to segrigate and organise the calculations more oftenly in simpler way My Calculator is designed to code the calculations of complex mathematical numericals which include angles also, Please do consider my Contribution. Thank You

Pull Request for PyVerse 💡

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[UTSAVS26]

@SMK-07 sorry but this PR will not going to be merged, you need to fill all the details in the PR template so that reviewers can verify it.