For Mac OS users, there is a system setting that may not allow you to tab onto several types of elements in a web page. To change this setting:
First Period: Dual Credit Pre-Calculus
Second Period: Calculus
Third Period: Algebra 2
Fourth Period: Conference
Fifth Period: Algebra 2
Advisory
Sixth Period: Dual Credit Pre-Calculus
Seventh Period: Algebra 2
Eighth Period: Algebra 2