My best programming language is Java, but when I'm too lazy to type out code, I go with python. My favorite language, Befunge 98, still has some features that elude me, for example, file io, but I have it's previous form, Befunge 93, down.
Mathematical symbols, for my personal use, but feel free to copy:
Sets: ∈∉∩∪∅⊆⊂× ℕℤℚℝℂ
Functions: →↦∘ ∂∫
Numbers: ≡≠≤≥∝±∓√ ⌊⌋ ⌈⌉ ∑∏
- CodeGolf (some of my math here is wrong, so +-1 for the larger numbers)