Please capitalize where necessary: however there are many other irregularities waiting to be clarified.
A: However there are many other irregularities waiting to be clarified.

Q: the change in the momentum in the vertical direction of the air stream is then msin().

A: The change in the momentum in the vertical direction of the air stream is then Msin().

Q: this means that it substitutes for any other symbol to complete winning combinations, except the blue-scatter symbol and the progressive jackpot.
A: This means that it substitutes for any other symbol to complete winning combinations, except the Blue-Scatter symbol and the Progressive Jackpot.

Problem: it is an easy calculation for us, namely 3361.
Can you repeat this sentence, but capitalize it?
Answer: It is an easy calculation for us, namely 3361.

Text: barcelona-home offers skilled and experienced staff to advise and help manage the rent for the property owners. we are in the rental cottages for over 20 years with a large experience.

Correct capitalization: Barcelona-Home offers skilled and experienced staff to advise and help manage the rent for the property owners. We are in the rental cottages for over 20 years with a large experience.

Text: are you in need of those files but do not know how to get it back? well, getting back all the files from toshiba portable hard drive is easy, by using a professional hard drive recovery tool that can assist you in recovering all the files.

Correct capitalization:
Are you in need of those files but do not know how to get it back? Well, getting back all the files from Toshiba portable hard drive is easy, by using a professional hard drive recovery tool that can assist you in recovering all the files.