When I type in 8.5 and tab over top the next field it just says 8.00
When I type in 8.75 it goes to 9.00
I am thinking it is a rounding error but I am not sure where to even begin!
it can't be a rounding problem if you get 8.0 from 8.5.
Give us the field properties or post the table here so we can look at it. Are you adding numbers directly into the table or are you using a custom form for data entry? Does the form show the rounded number and the table show the exact number? If you are using a form, it might be that the form properties are set for the number format change.