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 22:40Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

384K

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

385K

det| 11 9 ; 4 12 | = 96

e^{i\pi} + 1 = 0

163K

det| 7 2 ; 7 8 | = 42

259K

∇ × E = −∂B/∂t

∑_{k=1}^{n} k = n(n+1)/2

305K

det| 5 2 ; 3 6 | = 24

57K

det| 7 7 ; 4 8 | = 28

293K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

110K

det| 5 6 ; 2 6 | = 18

300K

N₂ + 3H₂ ⇌ 2NH₃

34K

det| 7 4 ; 4 8 | = 40

354K

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