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Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-18 22:35Z

∑_{k=1}^{n} k = n(n+1)/2
eq_4588.dat
8ψ² + 7ψ + 0 = 0
384K
rxn_1916.mol
CH₄ + 2O₂ → CO₂ + 2H₂O
385K
det| 11 9 ; 4 12 | = 96
mat_9692.json
d/dx [x^9] = 9x^8
163K
ops_0463.mol
\binom{n}{k} = \frac{n!}{k!(n-k)!}
259K
∇ × E = −∂B/∂t
spec_6528.mol
∇²θ = 0
305K
spec_7724.csv
d/dt [t^3] = 3t^2
57K
5z² + 5z + 0 = 0
ops_5618.csv
∇ × E = −∂B/∂t
293K
mat_9003.eqn
AgNO₃ + NaCl → AgCl↓ + NaNO₃
110K
det| 6 6 ; 3 7 | = 24
ops_7782.eqn
Fe₂O₃ + 3CO → 2Fe + 3CO₂
300K
spec_5771.mol
∑_{k=1}^{n} k = n(n+1)/2
34K
2H₂ + O₂ → 2H₂O
ops_0531.dat
\binom{n}{k} = \frac{n!}{k!(n-k)!}
354K
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