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 22:37Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

384K

9α² + 7α + 5 = 0

385K

det| 11 9 ; 4 12 | = 96

det| 9 4 ; 1 10 | = 86

163K

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

259K

∇ × E = −∂B/∂t

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

305K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

57K

5z² + 5z + 0 = 0

det| 3 1 ; 7 4 | = 5

293K

det| 2 7 ; 7 3 | = -43

110K

det| 6 6 ; 3 7 | = 24

9α² + 6α + 0 = 0

300K

d/dψ [ψ^7] = 7ψ^6

34K

2H₂ + O₂ → 2H₂O

E = mc²