Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
\frac{12}{4} \sum_{i=1}^{n} i^{2}
358K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
121K
\oint_C \vec{F}\cdot d\vec{r} = 0
399K
d/dr [r^12] = 12r^11
316K
∑_{k=1}^{n} k = n(n+1)/2
11K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
144K