Σ index Batch 22 Ledger /3 Ledger /21 Rxn set 2 Batch 10 Matrix 11 Batch 4 Matrix 5 Eq pack 1 Eq pack 7

Field Notes / Σ /sym/b26508

id=1 · host=uk.mattivster.me · 2026-09-19 13:33Z

d/dn [n^4] = 4n^3

∫₀^∞ e^(-x²) dx = √π / 2

66K

ω = 2πf

15K

1z² + 8z + 4 = 0

10φ² + 2φ + 0 = 0

83K

∑_{k=1}^{n} k = n(n+1)/2

68K

∇²y = 0

7φ² + 3φ + 6 = 0

417K

\frac{10}{3} \sum_{i=1}^{n} i^{2}

411K

\lim_{α\to 0} \frac{\sin α}{α} = 1

e^{i\pi} + 1 = 0

113K

det| 8 6 ; 5 9 | = 42

469K

PV = nRT

238K

det| 2 7 ; 7 3 | = -43

139K

det| 7 6 ; 1 8 | = 50

475K

11n² + 2n + 5 = 0

341K

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

98K

d/dt [t^1] = 1t^0

431K

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

317K

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