Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:14Z
4y² + 8y + 1 = 0
\frac{5}{4} \sum_{i=1}^{n} i^{2}
46K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
468K
2H₂ + O₂ → 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 1 7 ; 7 2 | = -47
339K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
iħ ∂ψ/∂t = Ĥψ
det| 9 4 ; 1 10 | = 86
358K
\oint_C \vec{F}\cdot d\vec{r} = 0
121K
CaCO₃ → CaO + CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
399K
det| 9 6 ; 3 10 | = 72
316K
det| 12 7 ; 7 13 | = 107
387K
det| 3 3 ; 0 4 | = 12
144K
det| 3 4 ; 6 4 | = -12
67K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
346K