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 17:19Z

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

∑_{k=1}^{n} k = n(n+1)/2

46K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

468K

iħ ∂ψ/∂t = Ĥψ

det| 7 4 ; 4 8 | = 40

289K

∇²γ = 0

278K

3r² + 6r + 7 = 0

∑_{k=1}^{n} k = n(n+1)/2

339K

N₂ + 3H₂ ⇌ 2NH₃

177K

∫₀^∞ e^(-θ²) dθ = √π / 2

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

399K