They didn't just call the (complex) plane or imaginary numbers 'impossible numbers' or 'horrible numbers,' they loathed them and forced themselves to calculate using them as mere symbols. (Questioner ...

How many books do you have on your shelf that you haven't finished reading? Masterpieces you stopped halfway through. New books you bought but never opened. A pile of "I'll read it someday." And ...

Possessive apostrophes show who or what owns something. The apostrophe goes in a different place depending on whether the owner is singular (one) or plural (more than one). Be careful with the word ...