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 20:28Z

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

7y² + 9y + 1 = 0

46K

∫₀^∞ e^(-θ²) dθ = √π / 2

468K

CaCO₃ → CaO + CO₂

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

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N₂ + 3H₂ ⇌ 2NH₃

278K

e^{i\pi} + 1 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

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∑_{k=1}^{n} k = n(n+1)/2

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∂x/∂r = 4x

det| 9 4 ; 1 10 | = 86

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

121K

9ψ² + 7ψ + 3 = 0

399K