Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:04Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

∫₀^∞ e^(-x²) dx = √π / 2

446K

3x² + 3x + 6 = 0

det| 5 6 ; 2 6 | = 18

144K

PV = nRT

371K

∇²t = 0

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

259K

det| 4 2 ; 6 5 | = 8

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

∂n/∂θ = 3n

234K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

218K

e^{i\pi} + 1 = 0

354K