See Brett Victor’s: Kill Math https://worrydream.com/KillMath/ https://worrydream.com/KillMath/ He separates conceptual understanding from notational understan

See Brett Victor’s: Kill Math https://worrydream.com/KillMath/ https://worrydream.com/KillMath/ He separates conceptual understanding from notational understanding— pointing out that the interface of using math has a major impact on utility and understanding. For instance, Roman numerals inhibit understanding and utilization of multiplication. Better notational systems can be designed, he claims.