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 15:33Z

det| 10 1 ; 0 11 | = 110

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

46K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

468K

∇ × E = −∂B/∂t

6r² + 3r + 1 = 0

289K

∇ × E = −∂B/∂t

278K

4z² + 1z + 3 = 0

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

339K

9ψ² + 7ψ + 3 = 0

177K

ΔS ≥ 0

e^{i\pi} + 1 = 0

358K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

121K

8ψ² + 7ψ + 0 = 0

399K

∑_{k=1}^{n} k = n(n+1)/2

316K