Please capitalize where necessary: with the aid of these canonical power series, [schafer] derives numerous theorems concerning surfaces which osculate the given curve at the singular point, concerning the sections of the tangent developable in the neighbourhood of the singular point and concerning the projections of the given curve.
A: With the aid of these canonical power series, [Schafer] derives numerous theorems concerning surfaces which osculate the given curve at the singular point, concerning the sections of the tangent developable in the neighbourhood of the singular point and concerning the projections of the given curve.

Q: navigate to the left side of the taskbar and click start.

A: Navigate to the left side of the Taskbar and click Start.

Q: you may need to defend...
A: You may need to defend...

Problem: first the bank, caisse nationale des caisses, put its 44 percent of the shares up for sale.
Can you repeat this sentence, but capitalize it?
Answer: First the bank, Caisse nationale des Caisses, put its 44 percent of the shares up for sale.

Text: on the march back the first group of the 2. sfltl bumped into a destroyer patrol and sighted behind them a northbound convoy.

Correct capitalization: On the march back the first group of the 2. SFltl bumped into a destroyer patrol and sighted behind them a northbound convoy.

Please capitalize where necessary: there are a market, a mall and shops in the proximity of the hotel.
A:
There are a market, a mall and shops in the proximity of the hotel.