diff --git a/05_ImageJ-macro-cheatsheet.pptx b/05_ImageJ-macro-cheatsheet.pptx
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diff --git a/05_ImageJ-macro_programming.pptx b/05_ImageJ-macro_programming.pptx
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diff --git a/05_example_code_and_data/analyse_banana.ijm b/05_example_code_and_data/analyse_banana.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..e36381307017447f652e4b92cfae5fc5e0619ab2
--- /dev/null
+++ b/05_example_code_and_data/analyse_banana.ijm
@@ -0,0 +1,43 @@
+// This ImageJ macro analyses a folder of 2D MRI
+// images showing a banana slice by slice. It measures
+// the position of the banana and writes it in a CSV file.
+//
+// Usage: run it in Fiji (http://fiji.sc)
+//
+// Robert Haase, MPI CBG, rhaase@mpi-cbg.de
+// April 2019
+//
+
+folder = "C:/structure/teaching/lecture_applied_bioimage_analysis/05_example_data/banana/"
+
+// access the folder
+filelist = getFileList(folder);
+
+for (i = 0; i < lengthOf(filelist); i++) {
+ // get the nth entry from the filelist array
+ file = filelist[i];
+
+ if (endsWith(file, ".tif")) {
+
+ // open the image
+ open(folder + file);
+
+ // segment the object in the image
+ setAutoThreshold("Default dark");
+ setOption("BlackBackground", true);
+ run("Convert to Mask");
+ run("Fill Holes");
+
+ // measure the position of this one single object
+ run("Set Measurements...", "centroid redirect=None decimal=3");
+ run("Create Selection");
+ run("Measure");
+
+ // close the image
+ close();
+ }
+}
+
+// save the positions as CSV to disc
+result_filename = "Position.csv"
+saveAs("Results", folder + result_filename);
diff --git a/05_example_code_and_data/arrays.ijm b/05_example_code_and_data/arrays.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..24470e5139dacafe270cf720d93cfa46797a7a4f
--- /dev/null
+++ b/05_example_code_and_data/arrays.ijm
@@ -0,0 +1,27 @@
+// numeric arrays
+v = newArray(3, -4, 0);
+Array.print(v);
+
+// create an array with three elements containing zeros
+v = newArray(3);
+Array.print(v);
+
+// manipulate arrays
+v[0] = 3.5
+Array.print(v);
+
+// access array elements
+print( v[2] );
+
+// string arrayss
+animals = newArray("dog", "cat", "mouse");
+
+// combining arrays
+mixed = Array.concat(v, animals);
+Array.print(mixed);
+
+// get length of an array
+numberOfElements = lengthOf(v);
+print("v has " + numberOfElements + " elements");
+
+
diff --git a/05_example_code_and_data/banana.zip b/05_example_code_and_data/banana.zip
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diff --git a/05_example_code_and_data/csv_test.py b/05_example_code_and_data/csv_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..0ab9a40491e4f959f5ef813123c4be8f12875da8
--- /dev/null
+++ b/05_example_code_and_data/csv_test.py
@@ -0,0 +1,14 @@
+
+import csv
+with open("test.csv", newline='') as csvfile:
+ reader = csv.reader(csvfile, delimiter=',')
+
+ linecount = 0;
+ for row in reader:
+
+ if (linecount > 0):
+ print("The square of " + row[0] + " is " + row[1]);
+
+ linecount = linecount + 1
+
+
diff --git a/05_example_code_and_data/first_example.ijm b/05_example_code_and_data/first_example.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..b326d1aaf7a250dea2e5453cf7585696deb21502
--- /dev/null
+++ b/05_example_code_and_data/first_example.ijm
@@ -0,0 +1,9 @@
+//
+// This program is our first example
+//
+// Author: Robert Haase, MPI-CBG,
+// rhaase@mpi-cbg.de
+// July 2015
+
+print("Hello world");
+
diff --git a/05_example_code_and_data/good_comments.ijm b/05_example_code_and_data/good_comments.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..8838c26014f5c086f4c12b01877962a476ffb52e
--- /dev/null
+++ b/05_example_code_and_data/good_comments.ijm
@@ -0,0 +1,20 @@
+// This program is our second example.
+// It sums up two numbers.
+//
+// Usage:
+// * Run it in FIJI (www.fiji.sc)
+//
+// Author: Robert Haase, MPI CBG,
+// rhaase@extern.mpi-cbg.de
+// July 2016
+
+// initialise program
+a = 1;
+b = 2.5;
+
+// run complicated algorithm
+final_result = a + b;
+
+
+print( final_result );
+
diff --git a/05_example_code_and_data/good_comments.py b/05_example_code_and_data/good_comments.py
new file mode 100644
index 0000000000000000000000000000000000000000..8da764c3ce5587d910d76cd1c16cf7861cc2746d
--- /dev/null
+++ b/05_example_code_and_data/good_comments.py
@@ -0,0 +1,20 @@
+#
+# This program sums up two numbers.
+#
+# Usage:
+# * Run it in Python (python.org)
+#
+# Author: Robert Haase, MPI CBG,
+# rhaase@mpi-cbg.de
+# April 2019
+
+# initialise program
+a = 1
+b = 2.5
+
+# run complicated algorithm
+final_result = a + b
+
+# print the final result
+print( final_result )
+
diff --git a/05_example_code_and_data/image_statistics.ijm b/05_example_code_and_data/image_statistics.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..e8c5bdff77e6ca3b1f4765d3b2071bafe92b7aa0
--- /dev/null
+++ b/05_example_code_and_data/image_statistics.ijm
@@ -0,0 +1,13 @@
+// initialise program
+imageFilename = "blobs.gif";
+open( imageFilename );
+
+// get image statistics
+getStatistics(area, mean, min, max, std);
+
+// show results
+print("The grey value ranges from " + min + " to " + max + ". ");
+print("It has an average of " + mean + " +- " + std + ". ");
+
+close();
+
diff --git a/05_example_code_and_data/process_folder.ijm b/05_example_code_and_data/process_folder.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..61ee0f372f6d3c83b1a65855a732e791e6ad6a98
--- /dev/null
+++ b/05_example_code_and_data/process_folder.ijm
@@ -0,0 +1,12 @@
+// initialise program
+foldername = "/Users/rhaase/temp/";
+
+// get all files in the folder as list
+list = getFileList( foldername );
+
+// print out the list; item by item
+for (i = 0; i < list.length; i++) {
+ filename = list[i];
+
+ print( filename );
+}
diff --git a/05_example_code_and_data/read_image_properties.ijm b/05_example_code_and_data/read_image_properties.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..8cb3add0bd00574a0c6a15d520488a324660b431
--- /dev/null
+++ b/05_example_code_and_data/read_image_properties.ijm
@@ -0,0 +1,15 @@
+// initialise program
+imageFilename = "blobs.gif";
+open( imageFilename );
+
+// read image properties
+width = getWidth();
+height = getHeight();
+getPixelSize(unit, pixelWidth, pixelHeight);
+
+// show results
+print("The image is " + width + " times " + height + " pixels wide");
+print("Each pixels has a size of " + pixelWidth +
+ " times " + pixelHeight + " " + unit + "^2");
+
+close();
diff --git a/05_example_code_and_data/rounding_assay.zip b/05_example_code_and_data/rounding_assay.zip
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diff --git a/05_example_code_and_data/string_variables.ijm b/05_example_code_and_data/string_variables.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..f146acbf9d7c1bfe228d9bdc52246f0ac71d3a95
--- /dev/null
+++ b/05_example_code_and_data/string_variables.ijm
@@ -0,0 +1,11 @@
+
+// initialise program
+firstname = "Robert";
+lastname = "Haase";
+
+// run complicated algorithm
+name = firstname + " " + lastname;
+
+// show the result
+print("Hello " + name + "!");
+
diff --git a/05_example_code_and_data/troubleshooting_tracing.ijm b/05_example_code_and_data/troubleshooting_tracing.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..ef1f907d60572d56fa37c1e36f6653fbffaa8a2f
--- /dev/null
+++ b/05_example_code_and_data/troubleshooting_tracing.ijm
@@ -0,0 +1,10 @@
+start = 0;
+end = 10;
+
+
+// print numbers
+for ( i = start; i < end; i++ ) {
+ if (i > 5) {
+ print(i);
+ }
+}
diff --git a/05_example_code_and_data/variables.ijm b/05_example_code_and_data/variables.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..08fc4f90d1fdb150a348e6c1de78cbdfd294f643
--- /dev/null
+++ b/05_example_code_and_data/variables.ijm
@@ -0,0 +1,10 @@
+
+// initialise program
+a = 1;
+b = 2.5;
+
+// run complicated algorithm
+c = a + b;
+
+// show the result
+print(c);
diff --git a/05_example_code_and_data/yin_yang.ijm b/05_example_code_and_data/yin_yang.ijm
new file mode 100644
index 0000000000000000000000000000000000000000..352de6d49ec6838edce955ed4b07bbc3b3b7c6a2
--- /dev/null
+++ b/05_example_code_and_data/yin_yang.ijm
@@ -0,0 +1,21 @@
+// initialise program
+a = 5;
+b = 3;
+c = 8;
+
+// execute algorithm
+d = (a + b) / c;
+
+// evaluate result
+if (b > 0) {
+ if (a == 5) {
+ print("Yin");
+ }
+ else {
+ if (c < 5) {
+ }
+ }
+ if (d != 0) {
+ print("Yang");
+ }
+}