Powerful general use math tool. Do The Math is a general purpose math tool. Its calculator-based interface has drag and drop calculations and graphing. Many of its features include graphing statistics, data analysis custom formulas and many specialized functions such as root finding, matrix and vector algebra, and curve fitting. It has three keypads: Scientific, Financial and Basic. Store and analyze up to 2500 data values. Financial calculator is capable of simulating loans and performing other financial calculation and modeling tasks.