Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:44Z
d/dn [n^4] = 4n^3
det| 5 2 ; 3 6 | = 24
384K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\lim_{α\to 0} \frac{\sin α}{α} = 1
163K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
259K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
305K
CH₄ + 2O₂ → CO₂ + 2H₂O
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
110K
det| 5 7 ; 5 6 | = -5
∑_{k=1}^{n} k = n(n+1)/2
300K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
354K
2r² + 6r + 7 = 0