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 20:06Z

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

det| 7 4 ; 4 8 | = 40

46K

8x² + 2x + 7 = 0

468K

CaCO₃ → CaO + CO₂

11t² + 9t + 7 = 0

289K

N₂ + 3H₂ ⇌ 2NH₃

278K

e^{i\pi} + 1 = 0

iħ ∂ψ/∂t = Ĥψ

339K

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

177K

∑_{k=1}^{n} k = n(n+1)/2

358K

∫₀^∞ e^(-x²) dx = √π / 2

121K

d/dγ [γ^3] = 3γ^2

399K