


The Basel Problem Journal
Designed and sold by Bellassi
$24.35
$20.70 when you buy any 2+
$20.70 when you buy any 2+
$24.35
Product features
- 128 pages
- 90gsm paper stock
- Wrap around hardback cover
- Fully printed design on the front and back
- Available in a selection of ruled, graph or blank pages
- Since every item is made just for you by your local third-party fulfiller, there may be slight variances in the product received

The Basel Problem
bold tribute to pure mathematical beauty — this glowing design showcases Euler’s famous solution to the Basel Problem: ∑(1/n²) = π²/6.
Rendered in electrifying neon turquoise, purple, and gold, the equation radiates energy as mathematical symbols orbit around it like sparks of logic. It’s chaotic, intense, and deeply satisfying — just like real mathematics.
Perfect for math lovers, physicists, and anyone who finds elegance in infinity. A piece that speaks the universal language of numbers — loud, bright, and brilliant.
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