Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:09Z
∇²x = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
168K
8n² + 3n + 6 = 0
det| 9 5 ; 1 10 | = 85
144K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
371K
∂x/∂α = 7x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
259K
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
∫₀^∞ e^(-t²) dt = √π / 2
224K
\lim_{β\to 0} \frac{\sin β}{β} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
70K