Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:33Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 3 7 ; 2 4 | = -2
46K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
468K
CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-ω²) dω = √π / 2
399K
∫₀^∞ e^(-α²) dα = √π / 2
316K
det| 12 4 ; 4 13 | = 140
\frac{2}{2} \sum_{i=1}^{n} i^{2}
11K
det| 11 5 ; 0 12 | = 132
387K
∑_{k=1}^{n} k = n(n+1)/2