deletions | additions       diff --git a/First sine wave.tex b/First sine wave.tex  index 36c36d2..3329bb3 100644  --- a/First sine wave.tex  +++ b/First sine wave.tex 
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Remember, you just need to leave your cursor anywhere within the line and hit [ctrl+Enter] to evaluate. Alternatively, you could also select the entire line to evaluate it.    \bigskip  \todo[inline, color=green!40]{ \begin{quote}  TIP: Typing the code by yourself is a great learning tool. It will help you to build confidence and familiarize yourself with the language. When reading tutorials in digital format, you may be tempted to simply copy and paste short snippets of code from the examples. That's fine, but you will learn more if you type it up yourself---try that at least in the first stages of your SC learning.  } \end{quote}