316 feature request add table 42 from nen en 1993 1 1 c2 a1 2016

[SZeltaat]

Description

I have implemented table 4.2 as a formula. Could you please check the implementation?

Fixes #316

Type of change

• New feature (non-breaking change which adds functionality)

Checklist:

• I have added tests that prove my fix is effective or that my feature works
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• New and existing unit tests pass locally with my changes

[github-actions]

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