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 17:55Z

d/dθ [θ^5] = 5θ^4

det| 5 9 ; 7 6 | = -33

168K

det| 9 5 ; 1 10 | = 85

446K

\frac{2}{4} \sum_{i=1}^{n} i^{2}

7r² + 8r + 5 = 0

144K

det| 7 4 ; 4 8 | = 40

371K

d/dr [r^4] = 4r^3

\lim_{t\to 0} \frac{\sin t}{t} = 1

259K

\lim_{α\to 0} \frac{\sin α}{α} = 1

86K

N₂ + 3H₂ ⇌ 2NH₃

224K

∑_{k=1}^{n} k = n(n+1)/2

234K