import math

import random

output = 0

num1 = ""

operator = ""

num2 = ""

memStore = "Empty"

def abilitiesList():

print("+...Addition")

print("-...Subtraction")

print("*...Multiplication")

print("/...Division")

print("^...Powers")

print("/-...Square Roots ")

print("!...Factorials (Input Cannot Be Negetave)")

print("Abs...Absolute Value")

print("d/r...Degrees To Radians")

print("r/d...Radians To Degrees")

print("pi...Returns PI")

print("e...Returs 'e'")

print("tau...Returns TAU (2xPI)")

print("M+...Save input to memory")

print("MR...Recall Memory")

print("M-...Clear Memory")

print("sin...Sine")

print("cos...Cosine")

print("tan...Tangent")

print("asin...Arc Sine")

print("acos...Arc Cosine")

print("atan...Arc Tangent")

print("log10...Log(10) of Input")

print("log...Returns The Apropriate Log of the Input (input1 is the log power)")

print("rand...Returns A Random Number Between 0 and 1")

print("randint...Returns A Random Number Between The Two Inputs")

print("//////////////////////////////////////////////////////////////////////////")

def askForNumInput(textPrompt):

# Devine local variable

convertedNum = math.nan

# Wait for valid numerical input

while True:

num = input(textPrompt)

try:

# Try to typecast the input to a float

float(num)

except ValueError:

# Catch the exception if it is not a number

print("ERROR: Syn: Invalid Num")

else:

# Typecasting

convertedNum = float(num)

break

return convertedNum

while True:

print("//////////////////////////////////////////////////////////////////////////")

print("Type 'help' for a list of abilities")

# Loop for getting operation

while True:

operator = input("What operation do you want to perform? ")

# Is operator == to any of out constants or predefines?

if operator == "help":

abilitiesList()

elif operator == "pi":

print(math.pi)

elif operator == "e":

print(math.e)

elif operator == "tau":

print(math.pi*2)

elif operator == "MR":

print(str(memStore))

elif operator == "M-":

memStore = "Empty"

print("Memory Cleared")

elif operator == "rand":

print(random.random())

# Has the user entered in a valid operator?

elif operator == "+" or operator == "-" or operator == "*" or operator == "/" or operator == "^" or operator == "/-" or operator == "!" or operator == "Abs" or operator == "d/r" or operator == "r/d" or operator == "M+" or operator == "M-" or operator == "MR" or operator == "sin" or operator == "cos" or operator == "tan" or operator == "asin" or operator == "acos" or operator == "atan" or operator == "log10" or operator == "log" or operator == "randint":

break

else:

print("ERROR: Invalid Operator")

# Loop for 1st number input

while True:

num1 = askForNumInput("First Number? ")

# Catch asin and acos out of bounds error case

if (operator == "asin" or operator == "acos") and (num1 > 1 or num1 < -1):

print("ERROR: Math: 'asin' and 'acos' commands only accept inputs in range -1 to +1")

elif operator == "!" and num1 < 0:

print("ERROR: Math: Factorials only accept inputs > 0")

else:

break

# Does the operation require a 2nd input?

if not (operator=="/-" or operator=="!" or operator=="Abs" or operator=="d/r" or operator=="r/d" or operator=="M+" or operator=="sin" or operator=="cos" or operator=="tan" or operator=="asin" or operator=="acos" or operator=="atan" or operator=="log10"):

# Loop for 2nd number input

while True:

num2 = askForNumInput("Second Number? ")

# Catch x/0 error case

if operator == "/" and num2 == "0":

print("ERROR: Math: Canot divide by 0!")

else:

break

# Calculations

if operator == "+":

output = num1 + num2

print("Your Answer: "+str(output))

elif operator == "-":

output = num1 - num2

print("Your Answer: "+str(output))

elif operator == "*":

output = num1 * num2

print("Your Answer: "+str(output))

elif operator == "/":

output = num1 / num2

print("Your Answer: "+str(output))

elif operator == "^":

output = math.pow(num1,num2)

print("Your Answer: "+str(output))

elif operator == "/-":

output = math.sqrt(num1)

print("Your Answer: "+str(output))

elif operator == "!":

output = math.factorial(num1)

print("Your Answer: "+str(output))

elif operator == "Abs":

output = math.fabs(num1)

print("Your Answer: "+str(output))

elif operator == "d/r":

output = math.radians(num1)

print("Your Answer: "+str(output))

elif operator == "r/d":

output = math.degrees(num1)

print("Your Answer: "+str(output))

elif operator == "M+":

memStore = num1

print("Number Stored")

elif operator == "sin":

output = math.sin(num1)

print("Your Answer: "+str(output))

elif operator == "cos":

output = math.cos(num1)

print("Your Answer: "+str(output))

elif operator == "tan":

output = math.tan(num1)

print("Your Answer: "+str(output))

elif operator == "asin":

output = math.asin(num1)

print("Your Answer: "+str(output))

elif operator == "acos":

output = math.acos(num1)

print("Your Answer: "+str(output))

elif operator == "atan":

output = math.atan(num1)

print("Your Answer: "+str(output))

elif operator == "log10":

output = math.log10(num1)

print("Your Answer: "+str(output))

elif operator == "log":

output = math.log(num2, num1)

print("Your Answer: "+str(output))

elif operator == "randint":

output = random.randint(num1, num2)

print("Your Answer: "+str(output))