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 20:54Z

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

AgNO₃ + NaCl → AgCl↓ + NaNO₃

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

CaCO₃ → CaO + CO₂

N₂ + 3H₂ ⇌ 2NH₃

289K

12α² + 6α + 7 = 0

278K

e^{i\pi} + 1 = 0

det| 7 4 ; 4 8 | = 40

339K

2H₂ + O₂ → 2H₂O

177K

4t² + 3t + 3 = 0

358K

iħ ∂ψ/∂t = Ĥψ

121K

∇²β = 0

399K

9θ² + 7θ + 4 = 0

316K

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

11K