Where did all these formulas come from anyway? Here's some interesting information on the...
The Quadratic Equation
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Rocket Activity
Grab a copy of the model rocket activity here. This activity is suitable for any of the math...
Using Jacobs 2nd Edition with AskDrCallahan Course
Question: Can I use Geometry 2nd Edition by Harold Jacobs with the AskDrCallahan course? Answer:...
Does the geometry book contain proofs? (Is it Euclidean Geometry?)
Yes, the geometry textbook by Harold Jacobs, and our videos that go along with it, is Euclidian...
WEBINAR: College – Asking the Right People the Right Question
Join us on April 8, 2015 at 2:00PM CST for our Webinar Webinar presenters: Dale Callahan Webinar...
Teaching Your Kids To Decide What to Do Next
This may sound silly, but your children’s biggest challenge in life is likely to be making a daily...
ACT and SAT Score are Key to Scholarships
We constantly run into parents asking us questions like Should we count AskDrCallahan math courses...
Why College is NOT the Goal of Homeschooling
As homeschooling parents we want our children to succeed, and there is a part of us that is unsure...
Preparing for the Professor | Homeschool to College Transition
Do you have a homeschool to college transition plan? As we homeschool our children, we are often...
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Thanks for visiting AskDrCallahan! We have people contact us for various reasons - so we decided...