Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 12 7 ; 7 13 | = 107
339K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
358K
det| 12 3 ; 7 13 | = 135
121K
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-x²) dx = √π / 2
399K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
\lim_{t\to 0} \frac{\sin t}{t} = 1
387K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
144K
det| 3 7 ; 3 4 | = -9
276K