Text: right mouse click to save selected documents and choose the menu option "save as" or "save target/link as" on your hard drive. mac users please press the mouse key longer.

Correct capitalization: Right mouse click to save selected documents and choose the menu option "Save As" or "Save Target/Link as" on your hard drive. Mac users please press the mouse key longer.

Text: max. resolution 0.01 hz

Correct capitalization: Max. Resolution 0.01 Hz

Text: they are artificial stimulants, and in the organism they may create an artificial hunger which, as it is artificial, cannot get a natural saturation, but continuously demand more and more without being satisfied.

Correct capitalization: They are artificial stimulants, and in the organism they may create an artificial hunger which, as it is artificial, cannot get a natural saturation, but continuously demand more and more without being satisfied.

Text: jan matejko lived and worked in krakow, which was then a part of the austro-hungarian empire.

Correct capitalization:
Jan Matejko lived and worked in Krakow, which was then a part of the Austro-Hungarian Empire.