Excel Boolean logic: How to sift spreadsheet data using AND, OR, NOT, and XOR Excel logical functions make it easy to find the data you want, especially in huge spreadsheets.

Boolean Logic isn't the first effort to make STEM fields fun for children; toys like iBesties, Jewelbots, and Roominate are all designed to foster interest in subjects like math and engineering.

Eric Redmond, the creator of Computer Science for Babies, wants to teach young children about ones and zeros before they’re even one year old. Boolean Logic for Babies, the first book in Redmond ...