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 00:20Z
∑_{k=1}^{n} k = n(n+1)/2
spec_4768.mol
∑_{k=1}^{n} k = n(n+1)/2
168K
ops_0531.dat
\binom{n}{k} = \frac{n!}{k!(n-k)!}
446K
3x² + 3x + 6 = 0
rxn_1916.mol
CH₄ + 2O₂ → CO₂ + 2H₂O
144K
mat_4743.eqn
det| 4 2 ; 6 5 | = 8
371K
∇²t = 0
ops_0548.json
\binom{n}{k} = \frac{n!}{k!(n-k)!}
259K
rxn_0414.log
det| 9 4 ; 1 10 | = 86
86K
7z² + 2z + 0 = 0
ops_7799.log
Fe₂O₃ + 3CO → 2Fe + 3CO₂
224K
eq_9391.mol
e^{i\pi} + 1 = 0
234K
spec_7724.csv
d/dt [t^3] = 3t^2
218K
rxn_3553.json
∂x/∂ψ = 6x
354K
ops_6794.eqn
10n² + 6n + 2 = 0
70K
ops_4269.json
iħ ∂ψ/∂t = Ĥψ
402K
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