1)   UltimaCalc Professional 3.0.647
Manipulate algebra. Integrals found & explained. Define own functions and constants. Find Standard Deviation etc. Plot functions. Solve Triangles. Least Squares fits, inc. nonlinear, Simultaneous Linear/Nonlinear Equations. Polynomial Roots. More.
algebra, algebraic graphing calculator, standard deviation, solve triangles, simultaneous linear equations, linear regression, polynomial regression, polynomial roots, multivariate regression, nonlinear,