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Author: kishanrajput23

Credit Calculator/Credit Calculator.py

@@ -0,0 +1,53 @@
+CODE:-
+
+import math
+
+def interest():
+    return float(input("Enter the credit interest: ")) / (12 * 100)
+
+def n_of_payments():
+    P = float(input("Enter the credit principal: "))
+    A = float(input("Enter the monthly payment: "))
+    i = interest()
+    return math.log(A / (A - i * P), 1 + i)
+
+def credit_principal():
+    A = float(input("Enter the monthly payment: "))
+    n = float(input("Enter the count of periods: "))
+    i = interest()
+    return A / ((i * math.pow(1 + i, n)) / (math.pow(1 + i, n) - 1))
+
+def annuity_payment():
+    P = float(input("Enter the credit principal: "))
+    n = float(input("Enter the number of periods: "))
+    i = interest()
+    return P * ((i * math.pow(1 + i, n)) / (math.pow(1 + i, n) - 1))
+
+    
+calc_type = input("""What do you want to calculate?
+type "n" for the number of months,
+type "a" for the annuity monthly payment,
+type "p" for the credit principal:
+""")
+
+if calc_type == "n":
+    months = math.ceil(n_of_payments())
+    years = 0
+    if months == 12:
+        print("You need 1 year to repay this credit!")
+    elif months > 12:
+        years = months // 12
+        months = months % 12
+        if months == 1:
+            print(f"You need {years} years and 1 month to repay this credit!")
+        else:
+            print(f"You need {years} years and {months} months to repay this credit!")
+    else:
+        if months == 1:
+            print(f"You need 1 months to repay this credit!")
+        else:
+            print(f"You need {months} months to repay this credit!")
+elif calc_type == "a":
+    print(f"Your annuity payment = {math.ceil(annuity_payment())}!")
+elif calc_type == "p":
+    print(f"Your credit principal = {round(credit_principal())}!")