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 00:01Z
∑_{k=1}^{n} k = n(n+1)/2
ops_2453.csv
6x² + 6x + 1 = 0
168K
spec_5703.json
∑_{k=1}^{n} k = n(n+1)/2
446K
3x² + 3x + 6 = 0
ops_1628.mol
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
ops_0582.eqn
\binom{n}{k} = \frac{n!}{k!(n-k)!}
371K
∇²t = 0
rxn_7129.json
det| 7 2 ; 7 8 | = 42
259K
spec_6231.tex
F = ma
86K
7z² + 2z + 0 = 0
mat_1411.eqn
∂ψ/∂β = 3ψ
224K
rxn_2919.json
6t² + 6t + 4 = 0
234K
det| 4 2 ; 5 5 | = 10
spec_4768.mol
∑_{k=1}^{n} k = n(n+1)/2
218K
rxn_0414.log
det| 9 4 ; 1 10 | = 86
354K
2H₂ + O₂ → 2H₂O
spec_7724.csv
d/dt [t^3] = 3t^2
70K
rxn_0107.json
det| 2 6 ; 0 3 | = 6
402K
\lim_{x\to 0} \frac{\sin x}{x} = 1
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