Please capitalize where necessary: the services offered by astrodienst are intended for private use by human individuals interested in astrology.
A: The services offered by Astrodienst are intended for private use by human individuals interested in astrology.
Q: choosing the same password for each of your online accounts is like using the same key to lock your home, car and office - if a criminal gains access to one, all of them are compromised. so don’t use the same password for an online newsletter as you do for your email or bank account.

A: Choosing the same password for each of your online accounts is like using the same key to lock your home, car and office - if a criminal gains access to one, all of them are compromised. So don’t use the same password for an online newsletter as you do for your email or bank account.
Q: in equation (4) mu is a physically smallest value of mass, the quantum mass.
A: In equation (4) mu is a physically smallest value of mass, the quantum mass.
Problem: according to the model developed by merton the risk could be reduced to zero, but in practice some of the crucial assumptions of merton's model did not hold so the risk of the hedged portfolios was not really zero, as subsequent events proved.
Can you repeat this sentence, but capitalize it?
Answer: According to the model developed by Merton the risk could be reduced to zero, but in practice some of the crucial assumptions of Merton's model did not hold so the risk of the hedged portfolios was not really zero, as subsequent events proved.
Text: remove cubes from the middle by adding cubes of edge .

Correct capitalization: Remove cubes from the middle by adding cubes of edge .
Problem: the three most visited islands are the society islands of tahiti, moorea, bora bora, huahine, raiatea und taha’a; das tuamotu archipel – mit rangiroa, manihi, tikehau fakarava und, also “tahitian pearl necklace” called, because there are most of the pearl farms, and the marquesas or “mysterious islands”.
Can you repeat this sentence, but capitalize it?
Answer:
The three most visited islands are the Society Islands of Tahiti, Moorea, Bora Bora, Huahine, Raiatea und Taha’a; das Tuamotu Archipel – mit Rangiroa, Manihi, Tikehau Fakarava und, also “Tahitian pearl necklace” called, because there are most of the pearl farms, and the Marquesas or “mysterious islands”.