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 20:27Z

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

Fe₂O₃ + 3CO → 2Fe + 3CO₂

46K

N₂ + 3H₂ ⇌ 2NH₃

468K

CaCO₃ → CaO + CO₂

∂y/∂γ = 8y

289K

ω = 2πf

278K

e^{i\pi} + 1 = 0

det| 7 4 ; 4 8 | = 40

339K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

177K

∂x/∂r = 4x

det| 3 7 ; 2 4 | = -2

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

7r² + 8r + 5 = 0

399K

∫₀^∞ e^(-ψ²) dψ = √π / 2

316K