Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:21Z
4y² + 8y + 1 = 0
det| 11 8 ; 6 12 | = 84
468K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
339K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
358K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
11K
∫₀^∞ e^(-x²) dx = √π / 2
67K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
det| 1 5 ; 5 2 | = -23
338K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
276K
det| 10 1 ; 1 11 | = 109
346K
CH₄ + 2O₂ → CO₂ + 2H₂O
256K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
348K