>Mentioning UDF versus directly typing the formula reminded me. There's a third option:
http://msvfp.advisorguide.com/doc/17440That certainly looks interesting. I'll have to think about it.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)