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 20:42Z

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

∫₀^∞ e^(-r²) dr = √π / 2

46K

det| 7 4 ; 4 8 | = 40

468K

CaCO₃ → CaO + CO₂

e^{i\pi} + 1 = 0

289K

det| 2 7 ; 7 3 | = -43

278K

e^{i\pi} + 1 = 0

∑_{k=1}^{n} k = n(n+1)/2

339K

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

177K

∂x/∂r = 4x

∑_{k=1}^{n} k = n(n+1)/2

358K

6x² + 6x + 1 = 0

121K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

ω = 2πf

399K

E = mc²

316K

det| 12 4 ; 4 13 | = 140

N₂ + 3H₂ ⇌ 2NH₃

11K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

387K

∑_{k=1}^{n} k = n(n+1)/2

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