Save up to 50 formulae. Select a formula and "Formulate" will prompt you for values for all the variables, and calculate a result. Great for students. Store all of those formulae for use on an open book exam, and have all the calculations done in the time it takes you to enter the values! Engineers, make those tedious calculations simple by entering the formula once, then just entering the values! Supports sin, cos, tan, asin, acos, atan, abs, ln, log, sqrt functions, */+-^ operators, parentheses, variables and constants. Version 2.0: Now includes full function scientific calculator with programmable keys. Also a hex calculator. Version 3.0: The ultimate in flexibility for number base conversions, storing formulae, and making those formulae available at the press of one button on the calculator. 25% of from the 1st of May to the end of June, 2004. Take advantage of the savings!