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 20:58Z

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

N₂ + 3H₂ ⇌ 2NH₃

46K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

468K

CaCO₃ → CaO + CO₂

∑_{k=1}^{n} k = n(n+1)/2

289K

\frac{2}{2} \sum_{i=1}^{n} i^{2}

278K

e^{i\pi} + 1 = 0

N₂ + 3H₂ ⇌ 2NH₃

339K

det| 7 4 ; 4 8 | = 40

177K

2n² + 4n + 0 = 0

358K

9θ² + 7θ + 4 = 0

121K

7y² + 9y + 1 = 0

399K