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 20:55Z

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

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

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

CaCO₃ → CaO + CO₂

∇²t = 0

289K

d/dψ [ψ^7] = 7ψ^6

278K

e^{i\pi} + 1 = 0

7y² + 9y + 1 = 0

339K

det| 1 4 ; 3 2 | = -10

177K

∂x/∂r = 4x

N₂ + 3H₂ ⇌ 2NH₃

358K

det| 7 4 ; 4 8 | = 40

121K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

N₂ + 3H₂ ⇌ 2NH₃

399K

det| 10 2 ; 3 11 | = 104

316K