Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:59Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
46K
CaCO₃ → CaO + CO₂
det| 5 9 ; 7 6 | = -33
289K
det| 9 4 ; 1 10 | = 86
278K
e^{i\pi} + 1 = 0
∂x/∂r = 4x
det| 12 2 ; 2 13 | = 152
316K