Compare two revisions of: number fields

... ... @@ -13,6 +13,9 @@ question environment by the `\field{...}` command. It can take one of the follow
13 13 |complex|complex numbers with real numbers as real and imaginary parts|
14 14 |complex-rational|complex numbers with rational numbers as real and imaginary parts|
15 15
16 +<div class="alert green">
17 +Don't use <code>rational</code> on <code>input.function</code> expecting an exact/symbolic check - the comparison is still numeric (literals like <code>0.333</code> just become <code>333/1000</code> internally).
18 +</div>
16 19
17 20 ```LaTeX
18 21 \begin{problem}
19 22