All versions of Symmetrical Components

Fixed a couple of bugs. Able to perform trigonometric and hyperbolic functions on complex numbers as well as the inverse of these functions. Other additional mathematical functions. Zoom function for graphical screens. Able to set the number of decimal places displayed. Improved keyboard design with different color scheme settings (see settings page) Ability to select either "i" or "j" for your imaginary number symbol. (see settings page)