Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
det| 1 1 ; 5 2 | = -3
468K
2H₂ + O₂ → 2H₂O
\frac{5}{8} \sum_{i=1}^{n} i^{2}
289K
det| 8 8 ; 0 9 | = 72
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
358K
det| 10 9 ; 7 11 | = 47
121K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
316K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
97K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
338K
∫₀^∞ e^(-t²) dt = √π / 2
346K
∑_{k=1}^{n} k = n(n+1)/2
256K