Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
det| 6 1 ; 5 7 | = 37
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 5 5 ; 3 6 | = 15
339K
iħ ∂ψ/∂t = Ĥψ
det| 1 7 ; 2 2 | = -12
121K
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-α²) dα = √π / 2
399K
det| 9 8 ; 4 10 | = 58
11K
∑_{k=1}^{n} k = n(n+1)/2
387K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
97K
\frac{3}{7} \sum_{i=1}^{n} i^{2}
346K
\oint_C \vec{F}\cdot d\vec{r} = 0
256K