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 17:49Z

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

∑_{k=1}^{n} k = n(n+1)/2

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

iħ ∂ψ/∂t = Ĥψ

d/dψ [ψ^7] = 7ψ^6

289K

6ω² + 4ω + 4 = 0

278K

3r² + 6r + 7 = 0

11ψ² + 6ψ + 2 = 0

339K

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

177K

E = mc²

det| 9 4 ; 1 10 | = 86

358K

∂ψ/∂β = 3ψ

121K

d/dx [x^3] = 3x^2

399K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

316K