Σ index Eq pack 7 Ledger /3 Batch 4 Matrix 17 Matrix 5 Σ#12 Rxn set 8 Matrix 23 Σ#18 Eq pack 1 Rxn set 2 Σ#6

Field Notes / Σ /sym/b26508

id=1 · host=uk.mattivster.me · 2026-10-18 16:38Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

320K

∇ × E = −∂B/∂t

144K

det| 8 9 ; 3 9 | = 45

e^{i\pi} + 1 = 0

90K

10t² + 9t + 5 = 0

438K

E = mc²

8ψ² + 7ψ + 0 = 0

394K

∫₀^∞ e^(-x²) dx = √π / 2

29K

det| 10 1 ; 6 11 | = 104

d/dφ [φ^1] = 1φ^0

94K

11z² + 1z + 0 = 0

211K

det| 2 6 ; 5 3 | = -24

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

390K

F = G m₁m₂ / r²

69K

det| 10 6 ; 3 11 | = 92

9ω² + 9ω + 2 = 0

144K

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

352K

[ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25]