For more information, read Wrigley, Andrew. [b]How to teach an old curve new tricks[/b] [online]. Vinculum, Vol. 52, No. 2, Apr 2015: 10-11. [br]Availability: [url]http://search.informit.com.au/documentSummary;dn=077983115131298;res=IELAPA[/url] ISSN: 0157-759X.[br]If you like this, you'll love this... [i][b][color=#0a971e]Multiplication on the Reals with a Circle![/color][/b][/i] [url]https://tube.geogebra.org/student/m702787[/url][br][b][color=#0a971e]NOTE[/color]:[/b] The y axis has been re-scaled 1 : 10 to show the products up to 10 x 10. The same principle works with a standard y = x^2 parabola drawn with 1 : 1 axes as can be seen at [url]http://tube.geogebra.org/m/1352717[/url]