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 00:49Z

4y² + 8y + 1 = 0

∇²r = 0

46K

e^{i\pi} + 1 = 0

468K

2H₂ + O₂ → 2H₂O

\lim_{t\to 0} \frac{\sin t}{t} = 1

289K

det| 7 2 ; 7 8 | = 42

278K

\frac{10}{7} \sum_{i=1}^{n} i^{2}

8ψ² + 7ψ + 0 = 0

339K

10ψ² + 5ψ + 0 = 0

177K

det| 4 7 ; 2 5 | = 6

358K

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

121K

∇²β = 0

399K

∇ × E = −∂B/∂t

316K

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

11K