'Graphing Calculator turns your phone or iPod into an intuitive high-resolution function plotter and scientific calculator. Features include the following: - Includes a powerful, yet easy to use scientific calculator. - Quickly plot and trace multiple equations on the same graph. - Custom keyboard to speed up entering in equations. - Pinch to zoom and drag/slide for scrolling the graph in real time. - The graph view supports portrait and landscape modes. - Take screen shots, and e-mail graphs to yourself. - Evaluate your graphs at any x value using the calculator screen. - Find the exact (x,y) coordinates for roots, intersections, minimums and maximums using the trace mode. - Provides conditional statements allow the user to restrict the domain and graph piece-wise functions. - Supports graphing polar and parametric equations. - Supports graphing inequalities, and implicit equations in the form f(x,y)=g(x,y). - Retina display and multitasking support - Display the graph on a TV, projector, or external monitor using Apple's VGA adapter (iPhone 4S, iPhone 4, 4th gen iPod, and iPad only) - Currently supports the following functions: abs, acos, acosh, acot, acoth, acsc, acsch, asec, asech, asin, asinh, atan, atan2, atanh, ceil, cos, cosh, cot, coth, csc, csch, deg2rad, exp, fact, floor, gamma, gcd, lcm, lgamma, ln, log2, log10, logbase, max, min, mod, nCr, nPr, nroot, rad2deg, rand, sec, sech, sin, sinh, sqrt, tan, tanh.'
This app costs $1.99