Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:59Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
det| 9 4 ; 1 10 | = 86
278K
e^{i\pi} + 1 = 0
det| 6 6 ; 5 7 | = 12
177K
∂x/∂r = 4x
∑_{k=1}^{n} k = n(n+1)/2
358K
∑_{k=1}^{n} k = n(n+1)/2
316K