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 00:52Z

∑_{k=1}^{n} k = n(n+1)/2

8ψ² + 7ψ + 0 = 0

168K

iħ ∂ψ/∂t = Ĥψ

446K

3x² + 3x + 6 = 0

AgNO₃ + NaCl → AgCl↓ + NaNO₃

144K

N₂ + 3H₂ ⇌ 2NH₃

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

11t² + 9t + 7 = 0

86K

7z² + 2z + 0 = 0

det| 7 6 ; 1 8 | = 50

224K

2n² + 4n + 0 = 0

234K

ΔS ≥ 0

218K

12α² + 6α + 7 = 0

354K

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

70K