Basic math

calculator.py

@@ -1,12 +1,82 @@
-class Calculator:
+import math
 
-    def __init__(self):
-        pass
-
-    def add(self, x, y):
-        return x + y
-
-    def sub(self, x, y):
-        return 0
-
-# add lots more methods to this calculator class.
+class Calculator(object):
+    def add(self, num1, num2):
+        answer = num1 + num2
+        print('Sum = ', answer)
+    def sub(self, num1, num2):
+        answer = num1 - num2
+        print('Difference = ', answer)
+    def mul(self, num1, num2):
+        answer = num1 * num2
+        print('Multiplication = ', answer)
+    def div(self, num1, num2):
+        if num2 != 0:
+            print('Division = ', (num1 / num2))
+        else:
+            print("Err")
+    def powerof(self, num, raiseby):
+        answer = math.pow(num, raiseby)
+        print('%f ^ %f = %f' % (num, raiseby, answer))
+    def square(self, num):
+        answer = math.pow(num, 2)
+    def squareroot(self, num):
+        answer = math.sqrt(num)
+        print("Square root (%f) = %f" % (num, answer))
+    def inverse(self, num):
+        answer = 1/(num)
+        print('Inverse (%f) = %f' % (num, answer))
+    def switchsign(self, num):
+        print(1-(num<=0))
+    def sinrad(self, num):
+        answer = math.sin(num)
+        print('Sine (%f) = %f' %(num, answer))
+    def cosrad(self, num):
+        answer = math.cos(num)
+        print('Cosine (%f) = %f' %(num, answer))
+    def tanrad(self, num):
+        answer = math.tan(num)
+        print('Tangent (%f) = %f' %(num, answer))
+    def cosecrad(self, num):
+        answer = 1/(math.sin(num))
+        print('Inverse Sine(%f) = %f' % (num, answer))
+    def secrad(self, num):
+        answer = 1/(math.cos(num))
+        print('Inverse Cosine(%f) = %f' % (num, answer))
+    def cotrad(self, num):
+        answer = 1/(math.tan(num))
+        print('Inverse Tangent(%f) = %f' % (num, answer))
+    def sindeg(self, num):
+        answer = math.sin(math.radians(num))
+        print('Sin(%f) in Degrees = %f' % (num, answer))
+    def cosdeg(self, num):
+        answer = math.cos(math.radians(num))
+        print('Cos(%f) in Degrees = %f' % (num, answer))
+    def tandeg(self, num):
+        answer = math.tan(math.radians(num))
+        print('Tan(%f) in Degrees = %f' % (num, answer))
+    def cosecdeg(self, num):
+        answer = 1/(math.sin(math.radians(num)))
+        print('Inverse Sine(%f) in Degrees = %f' % (num, answer))
+    def secdeg(self, num):
+        answer = 1/(math.cos(math.radians(num)))
+        print('Inverse Cosine(%f) in degrees = %f' % (num, answer))
+    def cotdeg(self, num):
+        answer = 1/(math.tan(math.radians(num)))
+        print('Inverse Tangent(%f) in degrees = %f' % (num, answer))
+    def factorial(self, num):
+        answer = math.factorial(num)
+        print('Factorial (%f) = %f' % (num, answer))
+    def ln(self, num):
+        answer = math.log(num)
+        print('Log (%f) = %f' % (num, answer))
+    def logten(self, num):
+        answer = math.log10(num)
+        print('Log10(%f) = %f' % (num, answer))
+    def logbasex(self, num, x):
+        answer = math.log(num, x)
+        print('Log base (%f)(%f) = %f' % (x, num, answer))
+    def pie(self):
+        print('pi = ', math.pi)
+    def e_constant(self):
+        print('e = ', math.e)

display.py

@@ -0,0 +1,99 @@
+# import the class
+from calc import calc
+
+cal = calc()
+print("Scientific calculator")
+print("List of choice:")
+print('-' * 20)
+print("1 : Addition \t\t  12 : Sine in degrees")
+print("2 : Subtraction \t  13 : Cosine in degrees")
+print("3 : Multiplication \t  14 : Tan in degrees")
+print("4 : Division \t\t  15 : Cosecant in degrees")
+print("5 : Sine in radians \t  16: Secant in degrees")
+print("6 : Cosine in radians \t  17 : cot in degrees")
+print("7 : Tan in radians \t  18 : Natural log")
+print("8 : Cosecant in radians  19 : Base 10 log")
+print("9 : Secant in radians \t  20 : Log base'x'")
+print("10 : Cot in radians \t  21 : Square root")
+print("11 : pi \t\t  22 : Power of")
+print('-' * 20)
+choice = ""
+while True:
+    try:
+        choice = int(input("Enter the number of choice: "))
+    except:
+        print("Enter a valid number: (")
+    if choice == 1:
+        n1 = float(input("Enter the first number to add : "))
+        n2 = float(input("Enter the second number to add : "))
+        cal.add(n1, n2)
+    elif choice == 2:
+        n1 = float(input("Enter the first number to subtract : "))
+        n2 = float(input("Enter the second number to subtract : "))
+        cal.sub(n1, n2)
+    elif choice == 3:
+        n1 = float(input("Enter the first number to multiply : "))
+        n2 = float(input("Enter the second number to multiply : "))
+        cal.mul(n1, n2)
+    elif choice == 4:
+        n1 = float(input("Enter the first number for division : "))
+        n2 = float(input("Enter the second number for division : "))
+        cal.div(n1, n2)
+    elif choice == 5:
+        n = float(input("Enter a number to find its Sine in radians : "))
+        cal.sinrad(n)
+    elif choice == 6:
+        n = float(input("Enter a number to find its Cos in radians : "))
+        cal.cosrad(n)
+    elif choice == 7:
+        n = float(input("Enter a number to find its Tan in radians : "))
+        cal.tanrad(n)
+    elif choice == 8:
+        n = float(input("Enter a number to find its Cosecant in radians : "))
+        cal.cosecrad(n)
+    elif choice == 9:
+        n = float(input("Enter a number to find its Secant in radians : "))
+        cal.secrad(n)
+    elif choice == 10:
+        n = float(input("Enter a number to find its Cot in radians : "))
+        cal.cotrad(n)
+    elif choice == 11:
+        cal.pie()
+    elif choice == 12:
+        n = float(input("Enter a number to find its Sine in degrees : "))
+        cal.sindeg(n)
+    elif choice == 13:
+        n = float(input("Enter a number to find its Cosine in degrees : "))
+        cal.cosdeg(n)
+    elif choice == 14:
+        n = float(input("Enter a number to find its Tan in degrees : "))
+        cal.tandeg(n)
+    elif choice == 15:
+        n = float(input("Enter a number to find its Cosecant in degrees : "))
+        cal.cosecdeg(n)
+    elif choice == 16:
+        n = float(input("Enter a number to find its Secant in degrees : "))
+        cal.secdeg(n)
+    elif choice == 17:
+        n = float(input("Enter a number to find its Cot in degrees : "))
+        cal.cotdeg(n)
+    elif choice == 18:
+        n = float(input("Enter a number to find its Natural in log : "))
+        cal.ln(n)
+    elif choice == 19:
+        n = float(input("Enter a number to find its Base 10 log : "))
+        cal.logten(n)
+    elif choice == 20:
+        n1 = float(input("Enter base value : "))
+        n2 = float(input("Enter a number to find its log to the given log value : "))
+        cal.logbasex(n1, n2) # steps are made like functions
+    elif choice == 21:
+        n = float(input("Enter a number to get it's Square root : "))
+        cal.squareroot(n)
+    elif choice == 22:
+        n1 = float(input("Enter a number : "))
+        n2 = float(input("Enter its power"))
+        cal.powerof(n1, n2)
+    else:
+        print("ERROR : Please enter a valid number ")
+# Let's merege and test