Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:49Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-α²) dα = √π / 2
289K
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
det| 12 1 ; 5 13 | = 151
399K
det| 9 4 ; 1 10 | = 86
316K