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 17:20Z

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

∑_{k=1}^{n} k = n(n+1)/2

46K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

468K

iħ ∂ψ/∂t = Ĥψ

iħ ∂ψ/∂t = Ĥψ

289K

iħ ∂ψ/∂t = Ĥψ

278K

3r² + 6r + 7 = 0

e^{i\pi} + 1 = 0

339K

det| 2 3 ; 5 3 | = -9

177K

E = mc²

det| 11 5 ; 0 12 | = 132

358K

∇ × E = −∂B/∂t

121K

det| 9 4 ; 1 10 | = 86

399K

8x² + 2x + 7 = 0

316K

F = G m₁m₂ / r²

11K