Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\frac{6}{3} \sum_{i=1}^{n} i^{2}
177K
∫₀^∞ e^(-ω²) dω = √π / 2
358K
det| 2 6 ; 2 3 | = -6
121K
det| 4 4 ; 2 5 | = 12
399K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
387K
∑_{k=1}^{n} k = n(n+1)/2
67K
det| 1 1 ; 2 2 | = 0
338K
det| 7 8 ; 6 8 | = 8
276K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
256K