Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
46K
2H₂ + O₂ → 2H₂O
det| 11 7 ; 6 12 | = 90
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
339K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
det| 7 2 ; 3 8 | = 50
399K
det| 9 8 ; 1 10 | = 82
det| 6 8 ; 0 7 | = 42
387K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
det| 3 7 ; 3 4 | = -9
338K
∑_{k=1}^{n} k = n(n+1)/2
256K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
348K
∑_{k=1}^{n} k = n(n+1)/2
396K