Maxima and Minima

Warning: Undefined array key "language" in /usr/home/beeson/public_html/WebMathXpert/EnterMaxMin.php on line 171

Warning: Undefined array key "windowWidth" in /usr/home/beeson/public_html/WebMathXpert/EnterMaxMin.php on line 172

Warning: Undefined array key "windowHeight" in /usr/home/beeson/public_html/WebMathXpert/EnterMaxMin.php on line 173

Warning: Undefined array key "toolbarWidth" in /usr/home/beeson/public_html/WebMathXpert/EnterMaxMin.php on line 174