Earlier quoted context omitted.
When young people ask me why they should learn math, I point out that managing your money requires math, and there are plenty of people who will steal from you if you are unable to recognize it. An inability to understand compound interest is classic.
But that's basic arithmetic, and we have calculators to do that. Totally agree that understanding the problem and being able to frame a solution are also needed, but again, that's not hard maths. I think we're more talking about algebra or, really, anything "higher" in maths than arithmetic. Does a solid knowledge of, e,g, Set Theory, give any benefit later in life? And also, if we think that basic financial manageme…
If you bought 6 liters of soda for £3/2-liter bottle with 8% consumption tax, how much should it cost?
You have to shape that all into a series of operations for your calculator. The calculator can't do it by itself. Even basic arithmetic takes some education before the calculator can be useful.