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 17:32Z

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

∑_{k=1}^{n} k = n(n+1)/2

46K

∇ × E = −∂B/∂t

468K

iħ ∂ψ/∂t = Ĥψ

11z² + 3z + 4 = 0

289K

∂γ/∂z = 6γ

278K

3r² + 6r + 7 = 0

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

339K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

177K

E = mc²

11t² + 9t + 7 = 0

358K

8ψ² + 7ψ + 0 = 0

121K

det| 3 6 ; 0 4 | = 12

399K

\frac{8}{7} \sum_{i=1}^{n} i^{2}

316K