Leonardo Izecksohn, Medical Doctor, Ophthalmologist
Pedro Izecksohn, Computers' Programmer
Variante do Xadrez Roque para Escapar
To play Connect Four click here.
To automatically use the Bhaskara formula click here.
To find a quadratic function from its roots and another point click here.
Find f(x) for a linear function here.
To play with the Eight puzzle online.
To play with the Fifteen puzzle online.