A Simple Calculator Using Python

Calculator.py

import math 
import numpy as np

class Calculator(object):

    def __init__(self):
        pass

    def add(self, num1, num2):
        try:
            answer = int(num1) + int(num2)
            return answer
        except Exception as e:
            print('Error Calculating: {}'.format{e})
            
    
    
    def subtract(self, num1, num2):
        try:
            answer = int(num1) - int(num2)
            return answer
        except Exception as e:
            print('Error Calculating: {}'.format{e})
    
    
    def multiply(self, num1, num2):
        try:
            answer = int(num1) * int(num2)
            return answer
        except Exception as e:
            print('Error Calculating: {}'.format{e})
    
    
    def divide(self, num1, num2):
        try:
            answer = int(num1) / int(num2)
            return answer
        except Exception as e:
            print('Error Calculating: {}'.format{e})
    
    
    def sqrt(self, num):
        try:
            answer = math.sqrt(int(num))
            return answer
        except Exception as e:
            print('Error Calculating: {}'.format{e})
    
    
    def circum(self, radius):
        answer = self.multiply(2, np.int(radius))
        answer *= np.pi
        return answer
    
    
    def SOHCAHTOA(self, angle, t=''):
        try:
            if t == 'sin':
                answer = math.sin(angle)
            if t == 'cos':
                answer = math.cos(angle)
            if t == 'tan':
                answer = math.tan(angle)
            
            return answer
                
        except Exception as e:
            print('Error Calculating: {}'.format{e})   
    
    def square(self, num):
        try:
            answer = self.multiply(num, num)
            return answer
        
        except Exception as e:
            print('Error Calculating: {}'.format{e})   
    
    
    def log(self, num, base):
        try:
            answer = math.log(num, base)
            return answer
        
        except Exception as e:
            print('Error Calculating: {}'.format{e})   
    
    
    def factorial(self, num):
        try:
            answer = math.factorial(num)
            return answer
        
        except Exception as e:
            print('Error Calculating: {}'.format{e})   
    
    
    def inverseSCT(self, angle, t=''):
        try:
            if t == 'sin' or 'asin':
                answer = math.asin(angle)
            if t == 'cos' or 'acos':
                answer = math.acos(angle)
            if t == 'tan' or 'atan':
                answer = math.atan(angle)

            return answer
        
        except Exception as e:
            print('Error Calculating: {}'.format{e})   
    
    
    def arc(self, angle, radii, circum == None):
        try:
            if circum == None:
                circum = 2 * math.pi * radii
                answer = self.multiply(circum * angle)
                answer = self.divide(answer, 360)
            else:
                answer = self.multiply(circum * angle)
                answer = self.divide(answer, 360)
            return answer
        
        except Exception as e:
            print('Error Calculating: {}'.format{e})   

    
    def area_triangle(self, base, height):
        try:
            answer = self.multiply(base, height)
            answer = self.divide(answer, 2)
            return answer
        
        except Exception as e:
            print('Error Calculating: {}'.format{e})   
    
    
    def area_square(self, length):
        try:
            answer = self.square(length)
            return answer
        
        except Exception as e:
            print('Error Calculating: {}'.format{e})   

    def area_rect(self, length, width):
        try:
            answer = self.multiply(length, width)
            return answer
        
        except Exception as e:
            print('Error Calculating: {}'.format{e})