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 00:25Z

4y² + 8y + 1 = 0

e^{i\pi} + 1 = 0

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

2H₂ + O₂ → 2H₂O

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

289K

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

278K

\frac{10}{7} \sum_{i=1}^{n} i^{2}

N₂ + 3H₂ ⇌ 2NH₃

339K

det| 9 4 ; 1 10 | = 86

177K

det| 3 7 ; 2 4 | = -2

358K

∫₀^∞ e^(-x²) dx = √π / 2

121K