Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:14Z
4y² + 8y + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
46K
det| 4 3 ; 0 5 | = 20
468K
2H₂ + O₂ → 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
339K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
177K
iħ ∂ψ/∂t = Ĥψ
\frac{10}{5} \sum_{i=1}^{n} i^{2}
358K
CaCO₃ → CaO + CO₂
det| 12 3 ; 7 13 | = 135
399K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
11K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
387K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
97K
∑_{k=1}^{n} k = n(n+1)/2
338K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K