Multiplication [was Re: Late-binding of function defaults]

2015-11-25 Thread Steven D'Aprano
On Thu, 26 Nov 2015 02:59 am, Laura Creighton wrote: > The great sticking point for the children I am teaching is > '*' means multiplication. You can really see that some people > have to make extensive mental modifications in order to handle > the concept that mathematical truths are expressed i

Re: Multiplication [was Re: Late-binding of function defaults]

2015-11-25 Thread Laura Creighton
In a message of Thu, 26 Nov 2015 05:09:13 +1100, "Steven D'Aprano" writes: >On Thu, 26 Nov 2015 02:59 am, Laura Creighton wrote: > >> The great sticking point for the children I am teaching is >> '*' means multiplication. You can really see that some people >> have to make extensive mental modific

Re: Multiplication [was Re: Late-binding of function defaults]

2015-11-25 Thread Marko Rauhamaa
Steven D'Aprano : > But by this time, we had already learned in secondary school that you can > use any of the following to write multiplication: > > x × y Not where I lived. (Those x's would have been a nightmare for the teacher who had to mark people's test answers.) > x ⋅ y Yes. After all, i