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 22:23Z

det| 5 1 ; 4 6 | = 26

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

46K

\lim_{β\to 0} \frac{\sin β}{β} = 1

468K

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

289K

N₂ + 3H₂ ⇌ 2NH₃

278K

12φ² + 4φ + 4 = 0

det| 7 4 ; 4 8 | = 40

339K

∂n/∂θ = 3n

177K

E = mc²

e^{i\pi} + 1 = 0

358K

det| 10 2 ; 3 11 | = 104

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

316K