Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:11Z
4y² + 8y + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
det| 4 3 ; 6 5 | = 2
289K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
339K
iħ ∂ψ/∂t = Ĥψ
det| 8 8 ; 0 9 | = 72
358K
det| 9 7 ; 3 10 | = 69
121K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
det| 9 8 ; 1 10 | = 82
det| 10 9 ; 7 11 | = 47
144K
∑_{k=1}^{n} k = n(n+1)/2
67K
det| 4 8 ; 0 5 | = 20
346K