Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 01:19Z

\lim_{n\to 0} \frac{\sin n}{n} = 1

1n² + 7n + 3 = 0

46K

N₂ + 3H₂ ⇌ 2NH₃

468K

ω = 2πf

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

289K

∂γ/∂z = 6γ

278K

det| 1 7 ; 1 2 | = -5

det| 7 4 ; 4 8 | = 40

339K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

177K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

d/dx [x^3] = 3x^2

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

∂y/∂n = 5y

399K

∫₀^∞ e^(-t²) dt = √π / 2

316K