Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:50Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
468K
CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
det| 9 4 ; 1 10 | = 86
121K
∫₀^∞ e^(-t²) dt = √π / 2
316K
∑_{k=1}^{n} k = n(n+1)/2
11K