1)   Scientific Advantage Calculator 2.0 Scientific Advantage™ is a Unit Aware™ calculator that lets you work with feet-inch-fraction dimensional values and includes advanced math functions, automatic solvers, and much more. 2)   Ultimate Advantage Calculator 2.0 Ultimate Advantage™ combines all of the features of our other calculators. It is a Unit Aware™ calculator that lets you work with feet-inch-fraction dimensional values and includes advanced math functions, automatic solvers, and much more.