Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 17:23Z

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

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

46K

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

468K

iħ ∂ψ/∂t = Ĥψ

∑_{k=1}^{n} k = n(n+1)/2

289K

PV = nRT

278K

3r² + 6r + 7 = 0

det| 9 4 ; 1 10 | = 86

339K

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

177K

E = mc²

det| 11 4 ; 5 12 | = 112

358K

6n² + 7n + 6 = 0

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

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

399K

F = ma

det| 3 6 ; 1 4 | = 6