I'll have to try and remember this

The Writing Resource has a discussion of the awkward-sounding, but apparently grammatically acceptable, phrase "try and."

The OED’s first reference for try and dates to 1686:

They try and express their love to God by their thankfulness to him. —The history of monastical conventions and military institutions (1686) 

Right away, we can see we’re not dealing with a new concept. Try and has been in common usage for over 300 years. This Google Ngram [above] shows that although try to has been more common than try and, the difference was fairly consistent until the early 19th century.

After 1820, usage of try and remained stable, but that of try to shot way up. According to Merriam-Webster’s Dictionary of English Usage (MWDEU), try and started to be criticized as ungrammatical at that time. Never mind that by then, the usage had been in circulation for over 100 years and similar constructions (e.g., go and) had been around since the 13th century.

Further discussion at The Writing Resource, via Sentence First.