So you have e.g. the number 34.38 And i want that it is converted to Time (in this case the result should be 34h 50min)
As you see the hour part doesn’t change because it already exists. But the minute part has to be calculated. So the formula need to know, that 34 is the hour and that it has to calculate 0.38 * 60.
But how can i create this?

This question comes up from this theme. It only said how to do in theory, but don’t know how to do as formula.

With && you can use multiple formula, of course. But where does the second formula get the information it needs to function?
The second one will need results from the first one. And I think it’s not possible.