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 05:53Z

CaCO₃ → CaO + CO₂

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

46K

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

468K

\lim_{φ\to 0} \frac{\sin φ}{φ} = 1

∑_{k=1}^{n} k = n(n+1)/2

289K

6x² + 6x + 1 = 0

278K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∂α/∂r = 8α

339K

∂z/∂ψ = 1z

177K

det| 12 4 ; 2 13 | = 148

det| 9 4 ; 1 10 | = 86

358K

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

121K

12r² + 4r + 0 = 0

e^{i\pi} + 1 = 0