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 17:15Z

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

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

46K

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

468K

iħ ∂ψ/∂t = Ĥψ

\lim_{α\to 0} \frac{\sin α}{α} = 1

289K

8ψ² + 7ψ + 0 = 0

278K

3r² + 6r + 7 = 0

det| 3 1 ; 7 4 | = 5

339K

∑_{k=1}^{n} k = n(n+1)/2

177K

E = mc²

det| 9 6 ; 7 10 | = 48

358K

∇ × E = −∂B/∂t

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

7r² + 8r + 5 = 0

399K

F = ma

det| 3 6 ; 1 4 | = 6