diff --git a/bigos/20241001Lecture/Auto01.py b/bigos/20241001Lecture/Auto01.py
new file mode 100644
index 0000000..d296d75
--- /dev/null
+++ b/bigos/20241001Lecture/Auto01.py
@@ -0,0 +1,29 @@
+# Program to calculate the payments on an auto loan
+
+message='''
+A = Monthly Payment
+P = Principal
+r = int rate per month
+n = number of months
+
+
+Problem
+=========
+P = 15090
+Term = 4 years = 48 months
+Int rate = 7%/year
+
+Expect 361.07
+'''
+
+P = input("Enter the principal for the loan ")
+P = float(P)
+
+
+n = 48
+r = .07/12
+
+A = P * (r*(1+r)**n)/((1+r)**n - 1)
+
+print("Monthly Payment = ",A)
+
diff --git a/bigos/20241001Lecture/Support/How to Calculate Auto Loan Payments (with Pictures) - wikiHow.pdf b/bigos/20241001Lecture/Support/How to Calculate Auto Loan Payments (with Pictures) - wikiHow.pdf
new file mode 100644
index 0000000..babbb4c
Binary files /dev/null and b/bigos/20241001Lecture/Support/How to Calculate Auto Loan Payments (with Pictures) - wikiHow.pdf differ
diff --git a/bigos/20241001Lecture/auto02.py b/bigos/20241001Lecture/auto02.py
new file mode 100644
index 0000000..e692dac
--- /dev/null
+++ b/bigos/20241001Lecture/auto02.py
@@ -0,0 +1,39 @@
+# Program to calculate the payments on an auto loan
+
+message='''
+A = Monthly Payment
+P = Principal
+r = int rate per month
+n = number of months
+
+
+Problem
+=========
+P = 15090
+Term = 4 years = 48 months
+Int rate = 7%/year
+
+Expect 361.07
+'''
+
+P = input("Enter the principal for the loan ")
+P = float(P)
+
+loanTermYears = input("Enter the number of years for the loan ")
+loanTermYears = float(loanTermYears)
+
+interestRatePerYear = input("Enter the annual interest rate for the loan ")
+interestRatePerYear = float(interestRatePerYear)/100
+
+print(P,loanTermYears,interestRatePerYear)
+
+n = loanTermYears * 12
+
+r = interestRatePerYear / 12
+
+print(n,r)
+
+A = P * (r*(1+r)**n)/((1+r)**n - 1)
+
+print("Monthly Payment = ",A)
+
diff --git a/bigos/20241001Lecture/auto03.py b/bigos/20241001Lecture/auto03.py
new file mode 100644
index 0000000..8258cf9
--- /dev/null
+++ b/bigos/20241001Lecture/auto03.py
@@ -0,0 +1,39 @@
+# Program to calculate the payments on an auto loan
+
+message='''
+A = Monthly Payment
+P = Principal
+r = int rate per month
+n = number of months
+
+
+Problem
+=========
+P = 15090
+Term = 4 years = 48 months
+Int rate = 7%/year
+
+Expect 361.07
+'''
+
+principal = input("Enter the principal for the loan ")
+principal = float(principal)
+
+loanTermYears = input("Enter the number of years for the loan ")
+loanTermYears = float(loanTermYears)
+
+interestRatePerYear = input("Enter the annual interest rate for the loan ")
+interestRatePerYear = float(interestRatePerYear)/100
+
+#print(principal,loanTermYears,interestRatePerYear)
+
+loanTermMonthly = loanTermYears * 12
+
+interestRateMonthly = interestRatePerYear / 12
+
+#print(loanTermMonthly,interestRateMonthly)
+
+monthlyPayment = principal * (interestRateMonthly*(1+interestRateMonthly)**loanTermMonthly)/((1+interestRateMonthly)**loanTermMonthly - 1)
+
+print("Monthly Payment = ",monthlyPayment)
+
diff --git a/bigos/20241001Lecture/links.txt b/bigos/20241001Lecture/links.txt
new file mode 100644
index 0000000..4f88fa3
--- /dev/null
+++ b/bigos/20241001Lecture/links.txt
@@ -0,0 +1,18 @@
+https://www.wikihow.com/Calculate-Auto-Loan-Payments
+
+A = P * (r(1+r)**n)/(1+r)**n - 1)
+
+A = Monthly Payment
+P = Principal
+r = int rate per month
+n = number of months
+
+
+Problem
+=========
+P = 15090
+Term = 4 years = 48 months
+Int rate = 7%/year
+
+Expect 361.07
+