Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:14Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
det| 7 2 ; 7 8 | = 42
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 1 7 ; 7 2 | = -47
177K
iħ ∂ψ/∂t = Ĥψ
\frac{5}{4} \sum_{i=1}^{n} i^{2}
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
\oint_C \vec{F}\cdot d\vec{r} = 0
11K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
387K
det| 5 3 ; 2 6 | = 24
97K
det| 4 3 ; 0 5 | = 20
338K
\oint_C \vec{F}\cdot d\vec{r} = 0
276K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
346K