Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
det| 9 2 ; 3 10 | = 84
46K
∫₀^∞ e^(-α²) dα = √π / 2
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 7 2 ; 7 8 | = 42
339K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
177K
iħ ∂ψ/∂t = Ĥψ
CH₄ + 2O₂ → CO₂ + 2H₂O
358K
d/dn [n^12] = 12n^11
121K
CaCO₃ → CaO + CO₂
\lim_{t\to 0} \frac{\sin t}{t} = 1
399K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
316K
det| 9 8 ; 1 10 | = 82
\frac{5}{3} \sum_{i=1}^{n} i^{2}
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
338K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
346K
∑_{k=1}^{n} k = n(n+1)/2
256K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
348K