Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:14Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{12}{6} \sum_{i=1}^{n} i^{2}
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
CaCO₃ → CaO + CO₂
det| 2 8 ; 7 3 | = -50
278K
e^{i\pi} + 1 = 0
∂x/∂r = 4x
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
399K
∫₀^∞ e^(-ψ²) dψ = √π / 2
316K
det| 9 4 ; 1 10 | = 86
11K