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 00:07Z
∑_{k=1}^{n} k = n(n+1)/2
ops_0463.mol
\binom{n}{k} = \frac{n!}{k!(n-k)!}
168K
spec_4768.mol
∑_{k=1}^{n} k = n(n+1)/2
446K
3x² + 3x + 6 = 0
ops_3294.dat
∂z/∂φ = 7z
144K
eq_9459.json
e^{i\pi} + 1 = 0
371K
∇²t = 0
mat_8725.log
det| 3 1 ; 7 4 | = 5
259K
spec_2286.dat
det| 9 6 ; 7 10 | = 48
86K
7z² + 2z + 0 = 0
mat_6103.dat
N₂ + 3H₂ ⇌ 2NH₃
224K
ops_2453.csv
6x² + 6x + 1 = 0
234K
det| 4 2 ; 5 5 | = 10
eq_5149.log
det| 11 4 ; 5 12 | = 112
218K
spec_6630.dat
det| 7 4 ; 4 8 | = 40
354K
2H₂ + O₂ → 2H₂O
iħ ∂ψ/∂t = Ĥψ
\lim_{x\to 0} \frac{\sin x}{x} = 1
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