@erin_stewart you might try us… Published by Eric L. Epps on November 19, 2009 @erin_stewart you might try using number() around each number you’re subtracting My Google+ profile Share this: Email a link to a friend (Opens in new window) Email Share on X (Opens in new window) X More Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Print (Opens in new window) Print Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit Published inCoffeePostsTweets