Σ index Rxn set 20 Rxn set 14 Batch 4 Ledger /15 Eq pack 7 Ledger /9 Matrix 17 Matrix 11 Batch 10 Eq pack 13 Batch 22 Ledger /21

Field Notes / Σ /sym/ca26f9

id=30370 · host=uk.mattivster.me · 2026-08-30 18:45Z

det| 1 2 ; 6 2 | = -10

d/dx [x^3] = 3x^2

277K

ΔS ≥ 0

306K

∂y/∂ψ = 8y

d/dx [x^3] = 3x^2

382K

12z² + 1z + 7 = 0

218K

det| 2 6 ; 3 3 | = -12

CaCO₃ → CaO + CO₂

201K

CH₄ + 2O₂ → CO₂ + 2H₂O

428K

∇ × E = −∂B/∂t

\frac{11}{6} \sum_{i=1}^{n} i^{2}

350K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

141K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

3t² + 1t + 5 = 0

21K

d/dψ [ψ^3] = 3ψ^2

F = G m₁m₂ / r²

∫₀^∞ e^(-y²) dy = √π / 2