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

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

168K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

446K

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

det| 5 6 ; 2 6 | = 18

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

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

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

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

7α² + 1α + 1 = 0

d/dψ [ψ^7] = 7ψ^6

224K

∇²t = 0

234K

det| 9 4 ; 1 10 | = 86

218K

11z² + 3z + 4 = 0

354K