Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:51Z
d/dn [n^4] = 4n^3
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∑_{k=1}^{n} k = n(n+1)/2
163K
iħ ∂ψ/∂t = Ĥψ
det| 12 6 ; 0 13 | = 156
305K
∑_{k=1}^{n} k = n(n+1)/2
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
\frac{4}{6} \sum_{i=1}^{n} i^{2}
293K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
110K
det| 5 7 ; 5 6 | = -5
det| 9 4 ; 1 10 | = 86
354K
∑_{k=1}^{n} k = n(n+1)/2
368K