Программы, разработанные Ionut Alex. Chitu:

DeadLine solves equations graphically and numerically. The freeware finds the real roots of an equation, evaluates functions and the first two derivatives extremely fast and accurately, finds extrema of the function. While there is no flawless technique for solving equations, the program combines the most successful methods in order to deliver you the right answer. No more problems on getting your homework done. Meet the DeadLine.