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 20:14Z

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

12α² + 6α + 7 = 0

46K

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

468K

CaCO₃ → CaO + CO₂

11φ² + 4φ + 0 = 0

289K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

278K

e^{i\pi} + 1 = 0

∫₀^∞ e^(-θ²) dθ = √π / 2

339K

iħ ∂ψ/∂t = Ĥψ

177K

∂x/∂r = 4x

5z² + 8z + 3 = 0

358K

det| 11 4 ; 5 12 | = 112

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

det| 9 4 ; 1 10 | = 86

316K