Meaning of period symbol in this context?

2018-10-23 14:51:22

Can anyone tell me what does the period symbol represent in this context?

$5^5.2^2$

That dot is a multiplication symbol. It's relatively standard in some parts of the world (I've seen it used on Numberphile from time to time, for instance) to use a lower $.$ rather than a centered $\cdot$

  • That dot is a multiplication symbol. It's relatively standard in some parts of the world (I've seen it used on Numberphile from time to time, for instance) to use a lower $.$ rather than a centered $\cdot$

    2018-10-23 15:17:53