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 20:16Z

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

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

46K

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

468K

CaCO₃ → CaO + CO₂

det| 5 2 ; 3 6 | = 24

289K

7y² + 9y + 1 = 0

278K

e^{i\pi} + 1 = 0

∫₀^∞ e^(-θ²) dθ = √π / 2

339K

e^{i\pi} + 1 = 0

177K

∂x/∂r = 4x

∂x/∂ψ = 6x

358K

det| 4 2 ; 6 5 | = 8

121K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

det| 9 4 ; 1 10 | = 86

399K

∑_{k=1}^{n} k = n(n+1)/2

316K

10t² + 9t + 5 = 0

11K

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