#-----------------------------------------------------------------START--------------------------------------------------------------------------------
# calculator script in python3

import math

print ("\n\n\n")
print ("--------------------------------------------------------------------------------")
print ("\n\n\n")

print ("Calculator by @profitgenerator")
print ("\n")
print ("[     +  -  /  *  log  ^  sin  cos  factorial     ]")
operation=input("Select an operation: ")

print ("\n")

if (operation == "+"):
 print("Addition:")
 A=float(input("Input A: "))
 B=float(input("Input B: "))
 print ("Result: "+str(A+B))

elif (operation == "-"):
 print("Subtraction:")
 A=float(input("Input A: "))
 B=float(input("Input B: "))
 print ("Result: "+str(A-B))

elif (operation == "/"):
 print("Division:")
 A=float(input("Input A: "))
 B=float(input("Input B: "))
 print ("Result: "+str(A/B))

elif (operation == "*"):
 print("Multiplication:")
 A=float(input("Input A: "))
 B=float(input("Input B: "))
 print ("Result: "+str(A*B))

elif (operation == "^"):
 print("Exponentiation:")
 A=float(input("Input A: "))
 B=float(input("Input B: "))
 print ("Result: "+str(A**B))

elif (operation == "log"):
 print("Log:")
 A=float(input("Input A (argument): "))
 B=float(input("Input B     (base): "))
 print ("Result: "+str(math.log(A,B)))

elif (operation == "sin"):
 print("Sine:")
 A=float(input("Input A (argument): "))
 print ("Result: "+str(math.sin(A)))

elif (operation == "cos"):
 print("Cosine:")
 A=float(input("Input A (argument): "))
 print ("Result: "+str(math.cos(A)))

elif (operation == "factorial"):
 print("Factorial:")
 A=float(input("Input A (argument): "))
 print ("Result: "+str(math.factorial(A)))


else:
 print("Sorry this operator is not recognized")


print ("\n\n\n")
print ("--------------------------------------------------------------------------------")
print ("\n\n\n")


#-----------------------------------------------------------------END---------------------------------------------------------------------------------