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 07:36Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

46K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

468K

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

det| 11 4 ; 5 12 | = 112

289K

iħ ∂ψ/∂t = Ĥψ

278K

∂x/∂θ = 8x

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

339K

ω = 2πf

177K

3φ² + 4φ + 2 = 0

∇²ω = 0

358K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

121K

N₂ + 3H₂ ⇌ 2NH₃

399K

PV = nRT

316K

8ψ² + 7ψ + 0 = 0

11K