Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:26Z
4y² + 8y + 1 = 0
\lim_{r\to 0} \frac{\sin r}{r} = 1
46K
2H₂ + O₂ → 2H₂O
\lim_{x\to 0} \frac{\sin x}{x} = 1
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
iħ ∂ψ/∂t = Ĥψ
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
358K
CaCO₃ → CaO + CO₂
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
399K
det| 9 8 ; 1 10 | = 82
det| 12 8 ; 7 13 | = 100
∂ω/∂t = 2ω
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O