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 17:50Z

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

\lim_{x\to 0} \frac{\sin x}{x} = 1

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

iħ ∂ψ/∂t = Ĥψ

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

289K

det| 7 9 ; 1 8 | = 47

278K

3r² + 6r + 7 = 0

det| 2 7 ; 7 3 | = -43

339K

6n² + 7n + 6 = 0

177K

E = mc²

det| 4 2 ; 6 5 | = 8

358K

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

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

det| 9 4 ; 1 10 | = 86

399K

F = ma

316K