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 00:26Z

∑_{k=1}^{n} k = n(n+1)/2

det| 10 2 ; 3 11 | = 104

168K

N₂ + 3H₂ ⇌ 2NH₃

446K

3x² + 3x + 6 = 0

det| 7 4 ; 4 8 | = 40

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

11t² + 6t + 6 = 0

259K

det| 2 8 ; 7 3 | = -50

86K

7z² + 2z + 0 = 0

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

224K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

234K

det| 4 2 ; 5 5 | = 10

∑_{k=1}^{n} k = n(n+1)/2

218K

e^{i\pi} + 1 = 0

354K