Σ index Ledger /3 Matrix 11 Matrix 23 Rxn set 8 Rxn set 20 Batch 16 Σ#6 Eq pack 13 Σ#24 Σ#12 Matrix 17 Ledger /9 Rxn set 26 Batch 4 Σ#18

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-18 22:44Z

∑_{k=1}^{n} k = n(n+1)/2

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

384K

8ψ² + 7ψ + 0 = 0

385K

det| 11 9 ; 4 12 | = 96

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

163K

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

259K

∇ × E = −∂B/∂t

AgNO₃ + NaCl → AgCl↓ + NaNO₃

305K

∇ × E = −∂B/∂t

57K

det| 11 4 ; 5 12 | = 112

293K

iħ ∂ψ/∂t = Ĥψ

110K