Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 07:53Z

∑_{k=1}^{n} k = n(n+1)/2

F = G m₁m₂ / r²

46K

\frac{3}{2} \sum_{i=1}^{n} i^{2}

468K

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

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

289K

det| 4 8 ; 3 5 | = -4

278K

∂x/∂θ = 8x

∇ × E = −∂B/∂t

339K

∫₀^∞ e^(-θ²) dθ = √π / 2

177K

3φ² + 4φ + 2 = 0

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

358K

det| 7 4 ; 4 8 | = 40

121K

5ω² + 6ω + 0 = 0

det| 5 2 ; 1 6 | = 28