diff --git a/bigos/20240917Lecture/addition01types.py b/bigos/20240917Lecture/addition01types.py
index 8d9c3ea..b953007 100644
--- a/bigos/20240917Lecture/addition01types.py
+++ b/bigos/20240917Lecture/addition01types.py
@@ -1,8 +1,13 @@
 
-data1 = 4
+data1 = 4.
 data2 = 11
 
+print("Data1 is ",type(data1))
+print("Data2 is ",type(data2))
+
 result = data1 + data2
 
+print("Result is ",type(result))
+
 print(f"The sum is {result}")
 
diff --git a/bigos/20240917Lecture/addition02.py b/bigos/20240917Lecture/addition02.py
index 8d9c3ea..0274bc8 100644
--- a/bigos/20240917Lecture/addition02.py
+++ b/bigos/20240917Lecture/addition02.py
@@ -1,8 +1,17 @@
 
-data1 = 4
-data2 = 11
+data1 = input("Enter a value for data1: ")
+data1 = float(data1)
+
+data2 = input("Enter a value for data2: ")
+data2 = float(data2)
+
+print("Data1 is ",type(data1))
+print("Data2 is ",type(data2))
 
 result = data1 + data2
+print("Result is ",type(result))
+
+print("The sum is ",result)
 
 print(f"The sum is {result}")
 
diff --git a/bigos/20240917Lecture/division01.py b/bigos/20240917Lecture/division01.py
index 7b4675f..349f228 100644
--- a/bigos/20240917Lecture/division01.py
+++ b/bigos/20240917Lecture/division01.py
@@ -1,6 +1,6 @@
 
 data1 = 4.
-data2 = 100000000000000000000000000
+data2 = 3
 
 result = data1 / data2
 
diff --git a/bigos/20240917Lecture/division02.py b/bigos/20240917Lecture/division02.py
new file mode 100644
index 0000000..d393600
--- /dev/null
+++ b/bigos/20240917Lecture/division02.py
@@ -0,0 +1,17 @@
+
+data1 = input("Enter a value for data1: ")
+data1 = float(data1)
+
+data2 = input("Enter a value for data2: ")
+data2 = float(data2)
+
+print("Data1 is ",type(data1))
+print("Data2 is ",type(data2))
+
+result = data1 / data2
+print("Result is ",type(result))
+
+print("The quotient is ",result)
+
+print(f"The quotient is {result}")
+
diff --git a/bigos/20240917Lecture/mult01.py b/bigos/20240917Lecture/mult01.py
new file mode 100644
index 0000000..267cd1e
--- /dev/null
+++ b/bigos/20240917Lecture/mult01.py
@@ -0,0 +1,16 @@
+
+data1 = input("Enter a value for data1: ")
+data1 = float(data1)
+
+data2 = input("Enter a value for data2: ")
+data2 = float(data2)
+
+print("Data1 is ",type(data1))
+print("Data2 is ",type(data2))
+
+result = data1 * data2
+print("Result is ",type(result))
+
+print("The product is ",result)
+
+print(f"The product is {result}")
\ No newline at end of file
diff --git a/bigos/20240917Lecture/subtraction02.py b/bigos/20240917Lecture/subtraction02.py
new file mode 100644
index 0000000..25f6c8a
--- /dev/null
+++ b/bigos/20240917Lecture/subtraction02.py
@@ -0,0 +1,17 @@
+
+data1 = input("Enter a value for data1: ")
+data1 = float(data1)
+
+data2 = input("Enter a value for data2: ")
+data2 = float(data2)
+
+print("Data1 is ",type(data1))
+print("Data2 is ",type(data2))
+
+result = data1 - data2
+print("Result is ",type(result))
+
+print("The difference is ",result)
+
+print(f"The difference is {result}")
+