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 22:38Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

384K

∑_{k=1}^{n} k = n(n+1)/2

385K

det| 11 9 ; 4 12 | = 96

∑_{k=1}^{n} k = n(n+1)/2

163K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

259K

∇ × E = −∂B/∂t

N₂ + 3H₂ ⇌ 2NH₃

305K

det| 7 4 ; 4 8 | = 40

57K

5z² + 5z + 0 = 0

∇²ω = 0

293K

∇²t = 0

110K

det| 6 6 ; 3 7 | = 24

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

300K