Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
\frac{6}{3} \sum_{i=1}^{n} i^{2}
46K
\frac{5}{8} \sum_{i=1}^{n} i^{2}
468K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
177K
iħ ∂ψ/∂t = Ĥψ
AgNO₃ + NaCl → AgCl↓ + NaNO₃
121K
CaCO₃ → CaO + CO₂
det| 2 3 ; 6 3 | = -12
399K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
338K
∑_{k=1}^{n} k = n(n+1)/2
276K
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
346K
det| 4 8 ; 0 5 | = 20
396K