Σ index
Batch 4
Batch 22
Matrix 11
Eq pack 7
Eq pack 25
Ledger /3
Eq pack 1
Eq pack 13
Matrix 17
Rxn set 2
Ledger /9
Rxn set 20
Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:19Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
spec_4768.mol
∑_{k=1}^{n} k = n(n+1)/2
66K
ops_3070.json
\frac{2}{2} \sum_{i=1}^{n} i^{2}
222K
∑_{k=1}^{n} k = n(n+1)/2
rxn_7987.tex
4x² + 5x + 2 = 0
87K
spec_6630.dat
det| 7 4 ; 4 8 | = 40
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
eq_3860.json
det| 2 7 ; 7 3 | = -43
174K
mat_6103.dat
N₂ + 3H₂ ⇌ 2NH₃
61K
∇²x = 0
spec_6528.mol
∇²θ = 0
380K
mat_7055.csv
N₂ + 3H₂ ⇌ 2NH₃
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
ops_6000.json
det| 7 7 ; 4 8 | = 28
119K
∇ × E = −∂B/∂t
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