How do you convince your mom to get a laptop?
Hate to break it to you, but you can't. It doesn't help to beg, that just makes it worse. It doesn't matter what you do, how hard you try, even if you save enough money to by it yourself, it won't do any good.
Say you need it for school and it helps you keep organized! Hope you get it :)
If your a girl ask your dad he can't say no use the puppy face etc if your a boy ask your mom...do the same
Tell her you need updated equipment & the new applications for school work. There are ways to get a fairly cheap one.