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Dario Alpern's site Home Page
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IMPORTANT NOTICE: Starting from April 4th, 2001, the new Web address for this page is Please update your bookmarks, because this page will not be updated anymore.

Darío Alpern - Webmaster


The calculators in this site are:

  1. Complex number calculator: Reverse Polish Notation calculator capable of performing all basic operations, powers, roots, logarithms, trigonometric functions, hyperbolic functions, gamma and polygamma functions. Written in JavaScript.

  2. Generic Two integer variable equation solver: Diophantine equation ax2 + bxy + cy2 + dx + ey + f = 0 solver, where the unknowns x and y can be integer numbers only. Written in Java/JavaScript.

  3. Quadratic modular equation solver: Calculator that can solve equations of the form ax2 + bx + c = 0 (mod n).

  4. Factorization using the Elliptic Curve Method: Applet capable of factoring numbers up to 100 digits long. Last updated on March 26th, 2001.