Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:08Z
∇²x = 0
∑_{k=1}^{n} k = n(n+1)/2
168K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
446K
8n² + 3n + 6 = 0
det| 3 7 ; 2 4 | = -2
144K
det| 7 4 ; 4 8 | = 40
371K
∂x/∂α = 7x
∑_{k=1}^{n} k = n(n+1)/2
259K
det| 2 3 ; 5 3 | = -9
86K
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
\lim_{r\to 0} \frac{\sin r}{r} = 1
224K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
234K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
354K
∑_{k=1}^{n} k = n(n+1)/2
70K