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)!}
46K
det| 6 8 ; 0 7 | = 42
468K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
d/dt [t^11] = 11t^10
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
339K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
316K
det| 9 7 ; 1 10 | = 83
387K
det| 4 5 ; 1 5 | = 15
67K
det| 1 1 ; 6 2 | = -4
97K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
256K
∑_{k=1}^{n} k = n(n+1)/2
348K