Link to essays/postfix_infix (d99f89f) - functle

functle.html

@@ -57,6 +57,7 @@
                 <p>Remember that 1 and 2 can be used to build other, more complicated constants.
                 Remember how syntax narrows down your options: operators tend to be near the end, and inputs near the start.
                 Axis ticks show <var>x</var> = ±1 and <var>y</var> = ±1.</p>
+                <p><a href="/essays/postfix_infix.html">Why use postfix?</a></p>
                 <p><button id="gotit" type="button">Got it</a></p>
             </section>
             <canvas id="plot" width="400" height="400"></canvas>


...	...	@@ -57,6 +57,7 @@
57	57	<p>Remember that 1 and 2 can be used to build other, more complicated constants.
58	58	Remember how syntax narrows down your options: operators tend to be near the end, and inputs near the start.
59	59	Axis ticks show <var>x</var> = ±1 and <var>y</var> = ±1.</p>
	60	+ <p><a href="/essays/postfix_infix.html">Why use postfix?</a></p>
60	61	<p><button id="gotit" type="button">Got it</a></p>
61	62	</section>
62	63	<canvas id="plot" width="400" height="400"></canvas>
63	64