My Prefix comes in numerous quantities
My Infix is usually written after
My Suffix is what you will cherish and love
My whole is very useful
What am I?
Hint :
The word is very useful to students too
Puzzling Stack Exchange is a question and answer site for those who create, solve, and study puzzles. It only takes a minute to sign up.
Sign up to join this communityMy Prefix comes in numerous quantities
My Infix is usually written after
My Suffix is what you will cherish and love
My whole is very useful
What am I?
Hint :
The word is very useful to students too
Are you:
EPSON?
My Prefix comes in numerous quantities
EPS - "earnings per share" are a share of profit, which can vary so must come in different quantities.
My Infix is usually written after
"PS" is what you would write at the end of correspondence after you finished if you needed to add something.
My Suffix is what you will cherish and love
SON - someone to cherish and love.
My whole is very useful
EPSON as well as being a brand of printer is apparently derived from Son of Electronic Printer, so it could also describe any kind of home printer. Very useful, and as your clue says, useful to students who print material for college work etc.
OK, I'll give it a shot. Probably not what you were looking for, but worth a try I hope.
I guess you could be
lesson
Which at least can be very useful. And matches the hint.
My Prefix comes in numerous quantities:
less is quantitative and can mean anything from lots or little, depending on reference.
My Infix is usually written after
Bit of a stretch here:
esso, as es-so, denotes the Spanish province Soria. In Spanish addresses, the province seems to be written last.
My Suffix is what you will cherish and love.
Well, sadly not guaranteed for everybody, but most people who have one cherish and love:
son