Respuestas al mensaje #7,418

🔧 Site instability resolved. You can report double-posts and broken attachments. For bigger issues, use the Technical Grievances thread.
🇵🇦 Nuestro primer dominio localizado está en español en kiwifarms.pa. Our first localized domain is on Spanish on kiwifarms.pa.

I mean it in the sense of defining an operator Δ whereby for a sequence or function s(n), Δs = s(n+1) - s(n). It's essentially the derivative for...