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 00:04Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

e^{i\pi} + 1 = 0

446K

3x² + 3x + 6 = 0

\frac{6}{7} \sum_{i=1}^{n} i^{2}

144K

ω = 2πf

371K

∇²t = 0

PV = nRT

259K

12γ² + 2γ + 5 = 0

86K

7z² + 2z + 0 = 0

∑_{k=1}^{n} k = n(n+1)/2

224K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

234K

10t² + 9t + 5 = 0

218K