Σ index Ledger /3 Matrix 11 Matrix 23 Rxn set 8 Rxn set 20 Batch 16 Σ#6 Eq pack 13 Σ#24 Σ#12 Matrix 17 Ledger /9 Rxn set 26 Batch 4 Σ#18

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-18 23:02Z

d/dn [n^4] = 4n^3

d/dt [t^3] = 3t^2

384K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

385K

\lim_{θ\to 0} \frac{\sin θ}{θ} = 1

Fe₂O₃ + 3CO → 2Fe + 3CO₂

163K

det| 9 4 ; 1 10 | = 86

259K

iħ ∂ψ/∂t = Ĥψ

iħ ∂ψ/∂t = Ĥψ

305K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

57K

∑_{k=1}^{n} k = n(n+1)/2

293K

N₂ + 3H₂ ⇌ 2NH₃

110K

det| 4 8 ; 3 5 | = -4

300K