Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:47Z
d/dn [n^4] = 4n^3
det| 2 7 ; 7 3 | = -43
384K
det| 7 4 ; 4 8 | = 40
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
iħ ∂ψ/∂t = Ĥψ
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
305K
det| 3 7 ; 2 4 | = -2
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-θ²) dθ = √π / 2
293K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
354K