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 20:29Z

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

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

46K

2γ² + 5γ + 2 = 0

468K

CaCO₃ → CaO + CO₂

∫₀^∞ e^(-θ²) dθ = √π / 2

289K

8ψ² + 7ψ + 0 = 0

278K

e^{i\pi} + 1 = 0

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

339K

det| 4 7 ; 2 5 | = 6

177K

∂x/∂r = 4x

AgNO₃ + NaCl → AgCl↓ + NaNO₃

358K

det| 9 6 ; 7 10 | = 48

121K

∇ × E = −∂B/∂t

399K

\lim_{r\to 0} \frac{\sin r}{r} = 1

316K