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 22:33Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

384K

∫₀^∞ e^(-t²) dt = √π / 2

385K

det| 11 9 ; 4 12 | = 96

det| 7 4 ; 4 8 | = 40

163K

7y² + 9y + 1 = 0

259K

∇ × E = −∂B/∂t

d/dx [x^3] = 3x^2

305K

N₂ + 3H₂ ⇌ 2NH₃

57K

F = ma

293K

∑_{k=1}^{n} k = n(n+1)/2

110K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

300K