Σ index Batch 4 Batch 22 Matrix 11 Eq pack 7 Eq pack 25 Ledger /3 Eq pack 1 Eq pack 13 Matrix 17 Rxn set 2 Ledger /9 Rxn set 20

Field Notes / Σ /sym/b26508

id=1 · host=uk.mattivster.me · 2026-10-19 20:00Z

det| 4 8 ; 7 5 | = -36

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

66K

det| 9 4 ; 1 10 | = 86

222K

∇ × E = −∂B/∂t

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

87K

F = G m₁m₂ / r²

2K

5β² + 3β + 5 = 0

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

174K

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

61K

E = mc²

det| 10 7 ; 3 11 | = 89

380K

9ψ² + 7ψ + 3 = 0

335K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∑_{k=1}^{n} k = n(n+1)/2

119K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

472K

2H₂ + O₂ → 2H₂O

F = G m₁m₂ / r²

392K

det| 7 3 ; 6 8 | = 38

32K

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