The "Page$()" function returns the page number of the page being printed as a string.
Example:
"Page " + Page$ () + "/" + TotalPages$ () result: Page 1/3
The "Page()" function returns the page number of the page being printed as a number, thus giving you the opportunity of using an expression or a formula, e.g. in conditions.
Example:
Cond(Page()>1, "Page " + Page$())