Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:16Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

168K

det| 7 4 ; 4 8 | = 40

446K

3x² + 3x + 6 = 0

det| 10 7 ; 3 11 | = 89

144K

d/dx [x^9] = 9x^8

371K

∇²t = 0

d/dψ [ψ^7] = 7ψ^6

259K

e^{i\pi} + 1 = 0

86K

7z² + 2z + 0 = 0

iħ ∂ψ/∂t = Ĥψ

224K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

234K

det| 4 2 ; 5 5 | = 10

∇ × E = −∂B/∂t

218K

F = G m₁m₂ / r²

354K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

70K

∇ × E = −∂B/∂t

402K

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