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/a4e52b

id=601212 · host=uk.mattivster.me · 2026-08-30 18:47Z

\lim_{α\to 0} \frac{\sin α}{α} = 1

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

277K

ΔS ≥ 0

306K

F = ma

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

382K

12z² + 1z + 7 = 0

218K

det| 3 6 ; 5 4 | = -18

CaCO₃ → CaO + CO₂

201K

CH₄ + 2O₂ → CO₂ + 2H₂O

428K

∫₀^∞ e^(-z²) dz = √π / 2

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

350K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

141K

CaCO₃ → CaO + CO₂

3t² + 1t + 5 = 0

21K

PV = nRT

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∑_{k=1}^{n} k = n(n+1)/2