The fun little proofs that you can do with algebra - they are sort of like crowd pleasers in a way. Like, the .9 repeating equaling one. It doesn't take a lot of algebra to prove that, and it's really fun. It kind of wows people. It's like they're watching magic happen right before their eyes.

McKellar explained that Danica McKellar agreed to the shoot in part to obtain "grittier roles". In June 2006 Lifetime Television announced that McKellar would star in a Lifetime movie and web-based series titled Inspector Mom about a mother who solves mysteries. She also made an appearance on the show The Big Bang Theory in the episode "The Psychic Vortex".

Danica Mae McKellar (born January 3 1975) is an American actress academic and education advocate.