Quickly calculate the interpolation, extrapolation and dual interpolation

The program allows you to calculate the interpolation, extrapolation and dual interpolation. By the method of linear interpolation, the Newton and Lagrange polynomials

[1.16]

- Added Hindi translation

- Added Indonezian translation

[1.14]

- Added Czech translation

- Added Croatian translation

- Remember last active tab

- Newton polynomial added

- Added the Lagrange polynomial

- Removed Auto focus when opening the application

- Redesigned LABEL mapping method

[1.13]

- Add themes selector

[1.12]

- Added calculation of the equation direct