aSSo! Cost: $30 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions aSSo!: aSSo is a 32-bit all-purpose calculator that also accepts expressions and functions. It includes all mathematical and financial functions, as well as calendar computing. Its RPN function lets you compute the interest rate of any cash transaction. You can calculate the real interest rate of loans, investments, saving accounts, leasing, and more and even convert numbers between 120 different measures, grouped in 12 categories. aSSo! also lets you expressions that you can introduce as you write them, let you see graphs and compute derivates and integrals, get the solution of equations up to the sixteenth gradient, and do complex and vectorial calculations. Select from an English, Italian, Spanish, or German interface.