# WaYouKiss — Pandrosion 455

> Discover Pandrosion 455, a standalone Python solver for real and complex nonlinear systems with NumPy. The complete frozen validation bundle costs 49.00 USD once, under MIT. Network fees are additional.

## Product and purchase

- [English landing page](https://wayoukiss.com/en/): complete product presentation, evidence, limitations and purchase links.
- [French landing page](https://wayoukiss.com/): présentation française du produit.
- [Pandrosion 455 official page and checkout](https://ivanbesevic.com/pandrosion-455/): price, product scope and purchase.
- [Agent purchase guide](https://ivanbesevic.com/api/payments/agent-guide.md): authorized-wallet purchase, five-minute quote, finalized payment and authenticated delivery.
- [OpenAPI](https://ivanbesevic.com/api/payments/openapi.json): canonical purchase API; custom ivanb-invoice-v1 protocol, not x402.
- [Live product manifest](https://ivanbesevic.com/api/payments/v1/products/pandrosion-455): current offer, file sizes and SHA-256 hashes.
- [Available assets](https://ivanbesevic.com/api/payments/v1/assets): current network and payment asset availability.
- [Supported networks](https://ivanbesevic.com/api/payments/v1/networks): network IDs, finality policy and live verification availability.
- [English product brief](https://wayoukiss.com/llms-full.txt): capabilities, evidence, limits and purchase workflow.
- [Discovery catalog](https://wayoukiss.com/pandrosion-455.json): machine-readable product links.

## Evaluation and existing site

- [Free edition 449](https://ivanbesevic.com/pandrosion/): a separate public release for initial evaluation.
- [Public research](https://ivanbesevic.com/research.json): papers, software and documented limitations.
- [WaYouKiss journal](https://wayoukiss.com/blog): existing editorial archive.

Runtime improvements depend on cases and platform. No universal convergence or end-to-end Python verification is claimed. No account or JavaScript is needed for the API; payment still requires buyer authorization.


## Pandrosion 601 — robotics, with or without AI

49 USD, one-time, MIT. French: https://wayoukiss.com/pandrosion-601 ; English: https://wayoukiss.com/en/pandrosion-601 . Purchase and delivery: https://ivanbesevic.com/pandrosion-601/ . Product: https://ivanbesevic.com/api/payments/v1/products/pandrosion-601 . Set product_id=pandrosion-601 when creating an order.
Synthetic benchmarks only; no hard real-time or physical robot validation.