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

∑_{k=1}^{n} k = n(n+1)/2

168K

∫₀^∞ e^(-t²) dt = √π / 2

446K

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

e^{i\pi} + 1 = 0

144K

d/dψ [ψ^7] = 7ψ^6

371K

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

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

259K

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

86K

7α² + 1α + 1 = 0

N₂ + 3H₂ ⇌ 2NH₃

224K

det| 7 4 ; 4 8 | = 40

234K

det| 12 3 ; 1 13 | = 153

1n² + 7n + 3 = 0

218K

∫₀^∞ e^(-α²) dα = √π / 2

354K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

70K

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