diff -r b5b5583a3a08 -r 6acabeecdf75 hws/hw01.tex
--- a/hws/hw01.tex	Thu Jul 30 13:50:54 2020 +0100
+++ b/hws/hw01.tex	Sat Aug 15 14:18:37 2020 +0100
@@ -14,9 +14,15 @@
       in the lectures, install the Scala programming language
       available (for free) from
 
-\begin{center}
-\url{http://www.scala-lang.org}
-\end{center}
+      \begin{center}
+        \url{http://www.scala-lang.org}
+      \end{center}
+
+       and the Ammonite REPL from
+
+       \begin{center}
+       \url{https://ammonite.io}
+       \end{center}      
 
       If you want to follow the code I present during the
       lectures, read the handout about Scala.