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 17:14Z

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

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

iħ ∂ψ/∂t = Ĥψ

det| 4 8 ; 3 5 | = -4

289K

det| 7 2 ; 7 8 | = 42

278K

3r² + 6r + 7 = 0

8ψ² + 7ψ + 0 = 0

339K

6ω² + 4ω + 4 = 0

177K

N₂ + 3H₂ ⇌ 2NH₃

358K

e^{i\pi} + 1 = 0

121K

det| 11 9 ; 0 12 | = 132

399K

∇ × E = −∂B/∂t

316K

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

11K