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)!}

∑_{k=1}^{n} k = n(n+1)/2

46K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

468K

CaCO₃ → CaO + CO₂

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

289K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

278K

e^{i\pi} + 1 = 0

det| 7 7 ; 4 8 | = 28

339K

det| 9 4 ; 1 10 | = 86

177K

det| 7 6 ; 1 8 | = 50

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

N₂ + 3H₂ ⇌ 2NH₃

399K