Scientific Calculator 18 different functions: mod round cos asin + - x / acos tan abs atan sin log sqrt ln e ^ 10^ Q increases value 1 by 0.1 A decreases value 1 by 0.1 W increases value 2 by 0.1 S decreases value 2 by 0.1 Note that asin, log, sqrt, and ln don't work on negatives. Also note that acos and asin don't work on numbers greater than 1.