such that

1-These books are written such that everybody can understand them.
2-These books are written so that everybody can understand them.
3-These books are written in a way that everybody can understand them.
Is there any difference between the meanings of the above sentences?
Which ones imply that they were intentionally written that way and which ones do not carry such an implication?

[Tdol]

1- This doesn't work for me- in such a way that
3- Doesn't necessarily imply the design

[matilda]

in my opinion, the first one doesn't make sense. but the second and the third one are correct