Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
det| 3 7 ; 3 4 | = -9
46K
det| 11 7 ; 6 12 | = 90
468K
2H₂ + O₂ → 2H₂O
\frac{10}{5} \sum_{i=1}^{n} i^{2}
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 7 3 ; 6 8 | = 38
177K
iħ ∂ψ/∂t = Ĥψ
det| 1 5 ; 5 2 | = -23
121K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
det| 9 8 ; 1 10 | = 82
∑_{k=1}^{n} k = n(n+1)/2
387K
∂ω/∂t = 2ω
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
97K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
∑_{k=1}^{n} k = n(n+1)/2
346K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
256K
det| 7 4 ; 4 8 | = 40
396K