[list][*][url=https://www.geogebra.org/u/stevencsilvestri]Steven C. Silvestri[/url][/*][*][url=https://www.geogebra.org/u/tbrzezinski]Tim Brzezinksi[/url][br][/*][*][url=https://www.geogebra.org/u/stevephelps]Steve Phelps[/url][/*][/list]