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 20:26Z

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

12α² + 6α + 7 = 0

46K

d/dt [t^3] = 3t^2

468K

CaCO₃ → CaO + CO₂

8θ² + 8θ + 6 = 0

289K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

278K

e^{i\pi} + 1 = 0

det| 5 6 ; 2 6 | = 18

339K

det| 12 9 ; 5 13 | = 111

177K

∂x/∂r = 4x

∇ × E = −∂B/∂t

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

det| 9 4 ; 1 10 | = 86

316K