for one reason, their will be enough computers for everyone.
For one reason, their will be enough computers for everyone.
Their is a possessive pronoun - Their books are on the table.
There refers to a place or an existance - The table is over there.
In the case of your sentence, there refers to the existance of something.
"For one reason, there will be enough computers for everyone."
The following is a link to a neat trick you can use to try to remember the difference between the two:
|link comment||answered Nov 21 '11 at 13:19 Jody M. Expert|