Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:42Z
det| 5 1 ; 4 6 | = 26
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
det| 7 4 ; 4 8 | = 40
468K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
289K
12φ² + 4φ + 4 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
\frac{12}{6} \sum_{i=1}^{n} i^{2}
177K
E = mc²
det| 2 7 ; 7 3 | = -43
121K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 3 7 ; 2 4 | = -2
316K
\frac{4}{8} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
11K
det| 4 6 ; 5 5 | = -10
CaCO₃ → CaO + CO₂
∇ × E = −∂B/∂t