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 22:42Z

det| 5 1 ; 4 6 | = 26

det| 1 4 ; 3 2 | = -10

46K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

468K

∑_{k=1}^{n} k = n(n+1)/2

6r² + 3r + 1 = 0

289K

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

278K

12φ² + 4φ + 4 = 0

d/dx [x^9] = 9x^8

339K

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

177K

E = mc²

CaCO₃ → CaO + CO₂

358K

iħ ∂ψ/∂t = Ĥψ

121K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

∑_{k=1}^{n} k = n(n+1)/2

399K

det| 9 4 ; 1 10 | = 86

316K

\frac{4}{8} \sum_{i=1}^{n} i^{2}

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

11K

∑_{k=1}^{n} k = n(n+1)/2

387K

CaCO₃ → CaO + CO₂

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