>>>Is there a quick and easy way to calculate whether a date
>>>is 90 days ago? I just need to check a transaction and make
>>>sure it's within the last 90 days.
>>>
>>>Thanks.
>>
>>Or better yet

IF lddate + 90 >= DATE()
>>  * Do some stuff
>>ENDIF

>
>If ldDate is tommorrow, it meets the requirement...
How about combining this with BETWEEN()