Replies to message #44

That's really impossible to answer. It's like asking which construction tool is the most important.

Arithmetic.

PDEs & numerical analysis (the latter of which depends heavily on linear algebra) for physics & engineering. Algebra (including algebraic number...

We wuz math n sheeiiit It all goes back to the core axioms. They're not a field per se, but they're the foundation to everything else. You play...