Calculus, no problem... differential equations, fun... relativity very fun, quantum mechanics, do-able... Quantum electro dynamics, painful but possible...
Taxes, however... Taxes (shudder) That has to be left to the experts of deduction logic....
I have to trust the H&R bloch equations...(bad pun)
What I heard from the deduction logicians last year:
"Its elementary, my dear Robert, you didn't withold enough- you owe $5,000 more"
"Oh hey I just happen to have that in my pocket now!!!" (immense sarcasm)
