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 23:44Z

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

∑_{k=1}^{n} k = n(n+1)/2

384K

N₂ + 3H₂ ⇌ 2NH₃

385K

\lim_{θ\to 0} \frac{\sin θ}{θ} = 1

9θ² + 7θ + 4 = 0

163K

\lim_{β\to 0} \frac{\sin β}{β} = 1

259K

iħ ∂ψ/∂t = Ĥψ

∑_{k=1}^{n} k = n(n+1)/2

305K

det| 7 4 ; 4 8 | = 40

57K

\frac{2}{4} \sum_{i=1}^{n} i^{2}

det| 5 3 ; 7 6 | = 9

293K

PV = nRT

110K

det| 5 7 ; 5 6 | = -5

det| 12 9 ; 4 13 | = 120

Fe₂O₃ + 3CO → 2Fe + 3CO₂