diff --git a/w2-logarithms/w2-logarithms-hard.pdf b/w2-logarithms/w2-logarithms-hard.pdf
new file mode 100644
index 0000000..72a9480
Binary files /dev/null and b/w2-logarithms/w2-logarithms-hard.pdf differ
diff --git a/w2-logarithms/w2-logarithms-lecture.pdf b/w2-logarithms/w2-logarithms-lecture.pdf
new file mode 100644
index 0000000..d3c9727
Binary files /dev/null and b/w2-logarithms/w2-logarithms-lecture.pdf differ
diff --git a/w2-logarithms/w2-logarithms-notes.xopp b/w2-logarithms/w2-logarithms-notes.xopp
new file mode 100644
index 0000000..6fd6bd6
Binary files /dev/null and b/w2-logarithms/w2-logarithms-notes.xopp differ
diff --git a/w2-logarithms/w2-logarithms-solutions.xopp b/w2-logarithms/w2-logarithms-solutions.xopp
new file mode 100644
index 0000000..6468a60
Binary files /dev/null and b/w2-logarithms/w2-logarithms-solutions.xopp differ