LeoCalculator

Basic Algebra Shape-Up helps students master specific basic algebra skills. Concepts covered include creating formulas; using ratios, proportions, and scale; working with integers, simple and multi-step equations.

Middle-School (grades 5 through 9) math program written to provide skills in context. Students use sets of data to construct on-screen box and whisker plots...

Advanced Sci/Eng calculator. Expression evaluation, 18 digits precision, variables, >100 functions, graphs, unit conversion, interpolation, polynomial regression, linear algebra, systems of linear, nonlinear and differential equations, optimizatio