Scaling Causal's Spreadsheet Engine from Thousands to Billions of Cells: From Maps to Arrays

<img alt="alt_text" title="Causal's UI" fetchpriority="high" width="730" height="440" decoding="async" data-nimg="1" style="color:transparent;background-size:cover;background-position:50% 50%;background-repeat:no-repeat;background-image:url(&...