Add punctuation: In 1834 Jacobi proved that if a singlevalued function of one variable is doubly periodic then the ratio of the periods is imaginary
A: In 1834 Jacobi proved that if a single-valued function of one variable is doubly periodic then the ratio of the periods is imaginary.

Add punctuation: The task of spiritual science is thus to explain systematically the structure of consciousness and the spiritual world from the microworlds to the macroworlds
A: The task of spiritual science is thus to explain systematically the structure of consciousness and the spiritual world -from the micro-worlds to the macro-worlds.

Add punctuation: Resolution picture puzzle 2 Bye Schweinfurt Hello Nuremberg
A:
Resolution picture puzzle 2 Bye Schweinfurt, Hello Nuremberg!