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 00:02Z
∑_{k=1}^{n} k = n(n+1)/2
ops_0480.eqn
\binom{n}{k} = \frac{n!}{k!(n-k)!}
168K
eq_4588.dat
8ψ² + 7ψ + 0 = 0
446K
3x² + 3x + 6 = 0
mat_6103.dat
N₂ + 3H₂ ⇌ 2NH₃
144K
eq_9459.json
e^{i\pi} + 1 = 0
371K
∇²t = 0
ops_3351.mol
iħ ∂ψ/∂t = Ĥψ
259K
lat_2791.dat
7y² + 9y + 1 = 0
86K
mat_9438.eqn
4t² + 3t + 3 = 0
224K
ops_2453.csv
6x² + 6x + 1 = 0
234K
ops_7850.mol
Fe₂O₃ + 3CO → 2Fe + 3CO₂
218K
mat_6987.json
N₂ + 3H₂ ⇌ 2NH₃
354K
spec_5754.dat
∑_{k=1}^{n} k = n(n+1)/2
70K
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