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Compare two revisions of: Visualization Variables

...	...	@@ -164,9 +164,9 @@ The points and the slider are then added to the canvas.
164	164	\number[editable]{n}{real}{-1}
165	165	\slider{n_s1}{n}{-5}{5}
166	166	\slider[1]{n_s2}{n}{-10, editable}{10, editable}
167		- \number{abs}{real}{abs(var(n))}
	167	+ \number{absn}{real}{absn(var(n))}
168	168	\point{p1}{real}{var(n),0}
169		- \point{p2}{real}{var(abs),0}
	169	+ \point{p2}{real}{var(absn),0}
170	170	\end{variables}
171	171
172	172	\label{n}{$n_1 =$}
...	...	@@ -208,9 +208,9 @@ their colors, see <a href="Color-and-Plotting#adding-color-and-label-to-variable
208	208
209	209	```LaTeX
210	210	\point[editable]{p0}{real}{0,0} % creates an editable point at 0,0
211		-\randint[Z]{x}{-3}{3}
212		-\randint[Z]{y}{-3}{3}
213		-\point[editable]{p1}{real}{var(x), var(y)} % creates an editable point with random default coordinate
	211	+\randint[Z]{a}{-3}{3}
	212	+\randint[Z]{b}{-3}{3}
	213	+\point[editable]{p1}{real}{var(a), var(b)} % creates an editable point with random default coordinate
214	214	```
215	215
216	216	<div class="alert green">You can extract the x and y coordinates of a point and use it as in value for other variables by using var(p1)[x] and var(p1)[y]</div>
217	217