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 21:10Z

7ω² + 9ω + 3 = 0

F = ma

46K

∇ × E = −∂B/∂t

468K

∑_{k=1}^{n} k = n(n+1)/2

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

289K

det| 2 3 ; 5 3 | = -9

278K

3n² + 8n + 2 = 0

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

339K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

177K

∇²x = 0

det| 6 6 ; 5 7 | = 12

358K

8ψ² + 7ψ + 0 = 0

121K

N₂ + 3H₂ ⇌ 2NH₃

399K

det| 5 9 ; 7 6 | = -33

316K