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 20:21Z

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

7y² + 9y + 1 = 0

46K

CH₄ + 2O₂ → CO₂ + 2H₂O

468K

CaCO₃ → CaO + CO₂

6ω² + 4ω + 4 = 0

289K

12y² + 5y + 7 = 0

278K

e^{i\pi} + 1 = 0

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

339K

\lim_{α\to 0} \frac{\sin α}{α} = 1

177K

∑_{k=1}^{n} k = n(n+1)/2

358K

12α² + 6α + 7 = 0

121K

det| 2 3 ; 5 3 | = -9

399K

det| 9 4 ; 1 10 | = 86

316K

CH₄ + 2O₂ → CO₂ + 2H₂O

11K