approximation becomes interpolation.
	</p>
	</div>
	<div id="hidden_fact_2" style="display: none;">
	<p>
<b>Fact 2.</b> When polynomial degree is 0, the function is technically not a polynomial anymore, but a constant. Still, approximation method works even for a constant.
	</p>
	</div>
	<div id="hidden_fact_3" style="display: none;">
	<p>
<b>Fact 3.</b> When you put several points in one place, that place attracts polynomial more than other points. This makes sense, since the polynomial minimizes the squar