Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:43Z
d/dn [n^4] = 4n^3
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
163K
det| 12 9 ; 5 13 | = 111
259K
iħ ∂ψ/∂t = Ĥψ
det| 7 4 ; 4 8 | = 40
305K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
110K
∑_{k=1}^{n} k = n(n+1)/2
300K
det| 5 9 ; 7 6 | = -33
34K