Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:03Z
4y² + 8y + 1 = 0
det| 5 8 ; 4 6 | = -2
46K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
det| 12 3 ; 7 13 | = 135
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
177K
iħ ∂ψ/∂t = Ĥψ
det| 7 2 ; 1 8 | = 54
358K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
121K
∫₀^∞ e^(-γ²) dγ = √π / 2
316K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
67K
∑_{k=1}^{n} k = n(n+1)/2
97K
\oint_C \vec{F}\cdot d\vec{r} = 0
338K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
348K