11.22.3 Can you answer these questions?

11.22.3.1 How to create a stand-alone application with simple functions similar to Excel

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=314184

I want to create a stand-alone program using Mathematica, which should be able to read given data and conduct simple plots and calculations with built-in functions (e.g. ... 
[programming] [application]
 

asked by user55777 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=55777 Score of 2

11.22.3.2 Why does the "No Dirichlet condition" warning appear for fine mesh but not for coarse mesh?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=314160

It is known that the solution of the Laplace equation with exclusively Neumann boundary conditions is ambiguous. Wolfram Mathematica warns about this by submitting messages like this one: 
 
No ... 
[differential-equations] [finite-element-method] [mesh] [boundary-conditions] [boundary-condition-at-infinity]
 

asked by Igor Kotelnikov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=10081 Score of 1

11.22.3.3 Using `JacobiP` to approximate `BetaDistribution[a,b]`

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=314235

I'm looking at generalized moment expansions of BetaDistribution. Below is an example using ChebychevT, I'm looking for help extending this to cover the general ... 
[special-functions]
 

asked by Yaroslav Bulatov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=217 Score of 1