Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:26Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\lim_{t\to 0} \frac{\sin t}{t} = 1
339K
iħ ∂ψ/∂t = Ĥψ
\frac{3}{2} \sum_{i=1}^{n} i^{2}
358K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
399K
∫₀^∞ e^(-ψ²) dψ = √π / 2
316K
det| 9 4 ; 1 10 | = 86
11K