@b541bfe5 I'm nearing that age and I don't find shorthand fractional notation confusing or ambiguous. But I do agree that it is a different convention from BEDMAS. That doesn't make it wrong or right, just different. 

 @b541bfe5 I just don't think it's wrong to take the division symbol (whichever it is) as flattened fractional notation. It's just a little more subtle to explain than BEDMAS so it causes confusion between the different styles. Do university-level textbooks conform fully to BEDMAS now? The math profs I follow on Youtube all follow fractional notation, proofs I see online all follow fractional notation. It seems to me that only relative newcomers to math expressions would dogmatically follow BEDMAS. 

 @b541bfe5 I was curious, so I found my uni textbook. Here it is using solidus (/) instead of obelus (÷) but the result is clearly everything to the right of the symbol is grouped (it would be the denominator in fractional notation). The same is true of the units. (Specifically the Permittivity of free space). This is Physics (5th ed.) by Serway & Beichner, printed 2000.

https://cdn.mastdn.ca/media_attachments/files/111/059/458/458/564/156/original/d5403580874b3f47.jpg