han614698 wrote:
(#13)
As far as I know about Za-Chary's teaching it doesn't relate to coding

It's not about his teaching or curriculum. It's about mathematics.

han614698 wrote:
- yes, you could graph a function in Scratch, but why, when you could use a graphing calculator or desmos or something of the like?

Because there is an educational merit when DIY coding a function grapher on Scratch, or any math-related project.