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 22:59Z

∑_{k=1}^{n} k = n(n+1)/2

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

384K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

385K

det| 11 9 ; 4 12 | = 96

∑_{k=1}^{n} k = n(n+1)/2

163K

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

259K

∇ × E = −∂B/∂t

det| 7 7 ; 4 8 | = 28

305K

N₂ + 3H₂ ⇌ 2NH₃

57K

5z² + 5z + 0 = 0

e^{i\pi} + 1 = 0

293K

det| 9 4 ; 1 10 | = 86

110K