Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
∫₀^∞ e^(-β²) dβ = √π / 2
46K
\lim_{β\to 0} \frac{\sin β}{β} = 1
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
CaCO₃ → CaO + CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
\frac{12}{4} \sum_{i=1}^{n} i^{2}
316K
det| 9 8 ; 1 10 | = 82
det| 8 6 ; 1 9 | = 66
11K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
396K