<![CDATA[How do I mark that some letter belongs in real numbers?]]>
https://help.geogebra.org/topic/how-do-i-mark-that-some-letter-belongs-in-real-numbers
Mon, 21 Aug 2017 06:31:02 +0000Sun, 20 Aug 2017 20:11:56 +0000Zend_Feed<![CDATA[You cannot define which numbers GeoGebra is using for its internal calculations, unless for integers, positive or negative, which you can "create" separately using a Sequence( ) command. So you don't need to specify that in your formulas. If you want to specify that in a text, select the desired character in the Symbols list of the Text dialog window.]]>
https://help.geogebra.org/topic/how-do-i-mark-that-some-letter-belongs-in-real-numbers#comment-223426
Mon, 21 Aug 2017 06:31:02 +0000<![CDATA[I suposse you want the Curve(1 - 3t², t (3 - t²), t, -5, 5) or another values for t the syntax a ∈ {1, 2, 3, 4, 8, 9} return true or false depending value of a]]>
https://help.geogebra.org/topic/how-do-i-mark-that-some-letter-belongs-in-real-numbers#comment-223408
Sun, 20 Aug 2017 21:10:45 +0000