Question: Yesterday I went to visit my friend Helle who I made contact with recently after a several year break
--
Answer: Yesterday I went to visit my friend Helle, who I made contact with recently after a several year break.
In 1834 Jacobi proved that if a singlevalued function of one variable is doubly periodic then the ratio of the periods is imaginary

Can you repeat this sentence, but add in punctuation?
In 1834 Jacobi proved that if a single-valued function of one variable is doubly periodic then the ratio of the periods is imaginary.
input: The fastest and easiest way to open your MXS file is to doubleclick it
fixed: The fastest and easiest way to open your MXS file is to double-click it.
input ---- The downside potential is always set to 1 so the higher the upside potential the higher the return
output ---- The downside potential is always set to 1, so the higher the upside potential, the higher the return.
Add punctuation: Contains an exemplar from 1680
A: Contains an exemplar from 1680.
Question: AZ of Key Account Management eBook Software Home Education Ebooks Literature
--
Answer:
A-Z of Key Account Management eBook - Software: Home & Education: E-books & Literature