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/b1bf7a

id=314002 · host=uk.mattivster.me · 2026-08-30 18:46Z

∑_{k=1}^{n} k = n(n+1)/2

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

277K

ΔS ≥ 0

306K

det| 12 5 ; 0 13 | = 156

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

382K

12z² + 1z + 7 = 0

218K

∫₀^∞ e^(-r²) dr = √π / 2

CaCO₃ → CaO + CO₂

201K

CH₄ + 2O₂ → CO₂ + 2H₂O

428K

e^{i\pi} + 1 = 0

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

350K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

141K

det| 11 6 ; 0 12 | = 132

3t² + 1t + 5 = 0

21K

1α² + 7α + 6 = 0

iħ ∂ψ/∂t = Ĥψ

E = mc²