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 04:16Z

12r² + 6r + 1 = 0

det| 7 9 ; 1 8 | = 47

168K

11t² + 9t + 7 = 0

446K

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

144K

5z² + 8z + 3 = 0

371K

4t² + 9t + 6 = 0

det| 9 4 ; 1 10 | = 86

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

∇²ψ = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

224K

∇²r = 0

234K

F = ma

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

218K

det| 12 9 ; 5 13 | = 111

354K

det| 4 8 ; 7 5 | = -36

\lim_{α\to 0} \frac{\sin α}{α} = 1