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 17:58Z

d/dθ [θ^5] = 5θ^4

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

168K

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

446K

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

d/dx [x^3] = 3x^2

144K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

371K

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

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7α² + 1α + 1 = 0

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

224K

2n² + 4n + 0 = 0

234K

det| 12 3 ; 1 13 | = 153

∫₀^∞ e^(-α²) dα = √π / 2

218K

det| 9 4 ; 1 10 | = 86

354K