Σ index Ledger /3 Matrix 11 Matrix 23 Rxn set 8 Rxn set 20 Batch 16 Σ#6 Eq pack 13 Σ#24 Σ#12 Matrix 17 Ledger /9 Rxn set 26 Batch 4 Σ#18

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-18 22:16Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

384K

∇ × E = −∂B/∂t

385K

det| 11 9 ; 4 12 | = 96

\binom{n}{k} = \frac{n!}{k!(n-k)!}

163K

∇²ω = 0

259K

∇ × E = −∂B/∂t

8ψ² + 7ψ + 0 = 0

305K

2H₂ + O₂ → 2H₂O

57K

5z² + 5z + 0 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

293K

det| 11 9 ; 0 12 | = 132

110K

det| 6 6 ; 3 7 | = 24

d/dt [t^3] = 3t^2

300K

\lim_{r\to 0} \frac{\sin r}{r} = 1

34K

2H₂ + O₂ → 2H₂O

AgNO₃ + NaCl → AgCl↓ + NaNO₃

354K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

368K

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