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 00:16Z
∑_{k=1}^{n} k = n(n+1)/2
ops_8235.eqn
∫₀^∞ e^(-x²) dx = √π / 2
168K
ops_5618.csv
∇ × E = −∂B/∂t
446K
3x² + 3x + 6 = 0
lat_6896.eqn
\frac{4}{6} \sum_{i=1}^{n} i^{2}
144K
mat_9180.mol
12n² + 2n + 2 = 0
371K
∇²t = 0
spec_6630.dat
det| 7 4 ; 4 8 | = 40
259K
ops_0582.eqn
\binom{n}{k} = \frac{n!}{k!(n-k)!}
86K
7z² + 2z + 0 = 0
ops_3104.json
\frac{2}{2} \sum_{i=1}^{n} i^{2}
224K
spec_4568.dat
∇²t = 0
234K
det| 4 2 ; 5 5 | = 10
mat_2540.eqn
F = G m₁m₂ / r²
218K
mat_3475.json
F = G m₁m₂ / r²
354K
2H₂ + O₂ → 2H₂O
mat_4743.eqn
det| 4 2 ; 6 5 | = 8
70K
ops_0463.mol
\binom{n}{k} = \frac{n!}{k!(n-k)!}
402K
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