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 20:27Z

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

∑_{k=1}^{n} k = n(n+1)/2

46K

∫₀^∞ e^(-t²) dt = √π / 2

468K

CaCO₃ → CaO + CO₂

\lim_{r\to 0} \frac{\sin r}{r} = 1

289K

∫₀^∞ e^(-t²) dt = √π / 2

278K

e^{i\pi} + 1 = 0

det| 4 7 ; 2 5 | = 6

339K

E = mc²

177K

∂x/∂r = 4x

det| 9 4 ; 1 10 | = 86

358K

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

121K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

∫₀^∞ e^(-θ²) dθ = √π / 2

399K

d/dφ [φ^1] = 1φ^0

316K

e^{i\pi} + 1 = 0

11K

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