Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:13Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
det| 1 1 ; 2 2 | = 0
289K
det| 7 4 ; 4 8 | = 40
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
177K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
\lim_{z\to 0} \frac{\sin z}{z} = 1
121K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
det| 12 6 ; 1 13 | = 150
11K
det| 12 7 ; 7 13 | = 107
387K
det| 1 7 ; 7 2 | = -47
67K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
97K
\oint_C \vec{F}\cdot d\vec{r} = 0
338K