Binary file cws/cw01.pdf has changed

--- a/cws/cw01.tex	Thu Nov 10 11:41:50 2016 +0000
+++ b/cws/cw01.tex	Fri Nov 11 11:17:40 2016 +0000
@@ -125,7 +125,7 @@
 to buy and when to sell this commodity. In the example above it should
 return the pair $\texttt{(1, 3)}$ because at index $1$ the price is lowest and
 then at index $3$ the price is highest. Note the prices are given as
-lists of \texttt{Float}s.\newline \mbox{} \hfill[1 Mark]
+lists of \texttt{Double}s.\newline \mbox{} \hfill[1 Mark]
 
 \item[(2)] Write a function that requests a comma-separated value (CSV) list
   from the Yahoo websevice that provides historical data for stock
@@ -186,13 +186,13 @@
 
 \subsection*{Advanced Part 3 (3 Marks)}
 
-A purely fictional character named Mr T.~Drump inherited in 1978
-approximately 200 Million Dollar from his father. Mr Drump prides
+A purely fictional character named Mr T.~Drumb inherited in 1978
+approximately 200 Million Dollar from his father. Mr Drumb prides
 himself to be a brilliant business man because nowadays it is
 estimated he is 3 Billion Dollar worth (one is not sure, of course,
-because Mr Drump refuses to make his tax records public).
+because Mr Drumb refuses to make his tax records public).
 
-Since the question about Mr Drump's business acumen remains, let's do a
+Since the question about Mr Drumb's business acumen remains, let's do a
 quick back-of-the-envelope calculation in Scala whether his claim has
 any merit. Let's suppose we are given \$100 in 1978 and we follow a
 really dump investment strategy, namely:
@@ -313,7 +313,7 @@
 turn out to be a blue chip company.  Also, since the portfolios are
 chosen from the current S\&P 500, they do not include the myriad
 of companies that went bust or were de-listed over the years.
-So where does this leave our fictional character Mr T.~Drump? Well, given
+So where does this leave our fictional character Mr T.~Drumb? Well, given
 his inheritance, a really dumb investment strategy would have done
 equally well, if not much better.
 \end{document}

--- a/progs/trade.scala	Thu Nov 10 11:41:50 2016 +0000
+++ b/progs/trade.scala	Fri Nov 11 11:17:40 2016 +0000
@@ -41,14 +41,14 @@
 
 // some test cases
 
-//query_comp("GOOG")
+//query_company("GOOG")
 
 // some more test cases
 /*
 val indices = List("GOOG", "AAPL", "MSFT", "IBM", "FB", "YHOO", "AMZN", "BIDU")
 
 for (name <- indices) {
-  val times = query_comp(name)
+  val times = query_company(name)
   println(s"Buy ${name} on ${times._1} and sell on ${times._2}")
 }
 */