Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:49Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
46K
CaCO₃ → CaO + CO₂
det| 7 4 ; 4 8 | = 40
289K
det| 11 4 ; 5 12 | = 112
278K
e^{i\pi} + 1 = 0
∫₀^∞ e^(-α²) dα = √π / 2
339K
det| 5 6 ; 2 6 | = 18
177K
∂x/∂r = 4x
∑_{k=1}^{n} k = n(n+1)/2
358K