How can I fill (or copy) a Calc column downward or a row across from a starting cell

[robmm76]

This seems like a simple question. Where can I find an answer?

[elmau]

https://help.libreoffice.org/latest/en-US/text/scalc/guide/calc_series.html?DbPAR=CALC#bm_id3150769

[robmm76]

Thank you. I’m beginning to understand how to use all this.