how ignorant are you?

[Happy Monkey]

Originally Posted by Clodfobble

Simple, basic arithmetic confounds me. I can do more complicated math in my head just fine, multiplying large numbers and what-have-you, and I still can explain calculus and all about the different kinds of infinities. But I have to triple-check myself every time I add two single-digit numbers or (god help me) calculate a tip because 90% of the time I will have screwed it up.

Wow, that's me too. Except for the multiplying large numbers in my head. I can do calculus, geometry, and trig, and I just helped my brother with his discrete math, but I have blind spots in my basic addition/multiplication tables and I count in my head from the nearest one I know.