Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:37Z
d/dn [n^4] = 4n^3
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
384K
det| 7 4 ; 4 8 | = 40
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
det| 5 6 ; 2 6 | = 18
163K
iħ ∂ψ/∂t = Ĥψ
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
305K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
det| 4 2 ; 6 5 | = 8
110K
det| 5 7 ; 5 6 | = -5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
300K
∑_{k=1}^{n} k = n(n+1)/2
368K