TrigAid

From Praeter Software:

The perfect companion for when you're studying or doing homework, TrigAid helps you learn the material by showing you the formula and the correct calculation, and it helps you save time on your assignments by giving you the correct calculation with just a few keystrokes and a click of the mouse. TrigAid has the following features: Geometry -- Calculate every variable in eight different geometric shapes, including cones, spheres, and cylinders Triangulator -- Calculate the angles, area, and side lengths of any triangle Trig Laws -- Law of Sines, Cosines, Pythagorus' Theorem, and ofcourse SOHCAHTOA Zeroes -- Quickly find the x-intercepts of a polynomial Logarithms -- Work with relationship of logarithms and exponents and more Vectors -- Calculate the magnitude and angles of up to eight vectors! Conics -- Calculate the ellipse, parabola, and hyperbola's center, foci and vertexes Axes Rotation -- Eliminate the xy term of the polynomial Matrices -- Add, subtract, and multiply matricies up to 5x5 Linear Equations -- Solve for up to five unknowns Sequences -- Find any term in arithmetic AND geometric sequences ADDITIONAL -- QUADRATIC FORMULA, unit converter, quick calculator, and a POLAR TO RECTANGULAR converter