scientific_calculator.py

from tkinter import *
import math
import tkinter.messagebox

root = Tk()
root.title("Scientific Calculator")
root.configure(background = 'white')
root.resizable(width=False, height=False)
root.geometry("480x568+450+90")
calc = Frame(root)
calc.grid()

class Calc():
	def __init__(self):
		self.total=0
		self.current=''
		self.input_value=True
		self.check_sum=False
		self.op=''
		self.result=False

	def numberEnter(self, num):
		self.result=False
		firstnum=txtDisplay.get()
		secondnum=str(num)
		if self.input_value:
			self.current = secondnum
			self.input_value=False
		else:
			if secondnum == '.':
				if secondnum in firstnum:
					return
			self.current = firstnum+secondnum
		self.display(self.current)

	def sum_of_total(self):
		self.result=True
		self.current=float(self.current)
		if self.check_sum==True:
			self.valid_function()
		else:
			self.total=float(txtDisplay.get())

	def display(self, value):
		txtDisplay.delete(0, END)
		txtDisplay.insert(0, value)

	def valid_function(self):
		if self.op == "add":
			self.total += self.current
		if self.op == "sub":
			self.total -= self.current
		if self.op == "multi":
			self.total *= self.current
		if self.op == "divide":
			self.total /= self.current
		if self.op == "mod":
			self.total %= self.current
		self.input_value=True
		self.check_sum=False
		self.display(self.total)

	def operation(self, op):
		self.current = float(self.current)
		if self.check_sum:
			self.valid_function()
		elif not self.result:
			self.total=self.current
			self.input_value=True
		self.check_sum=True
		self.op=op
		self.result=False

	def Clear_Entry(self):
		self.result = False
		self.current = "0"
		self.display(0)
		self.input_value=True

	def All_Clear_Entry(self):
		self.Clear_Entry()
		self.total=0

	def pi(self):
		self.result = False
		self.current = math.pi
		self.display(self.current)

	def tau(self):
		self.result = False
		self.current = math.tau
		self.display(self.current)

	def e(self):
		self.result = False
		self.current = math.e
		self.display(self.current)

	def mathPM(self):
		self.result = False
		self.current = -(float(txtDisplay.get()))
		self.display(self.current)

	def squared(self):
		self.result = False
		self.current = math.sqrt(float(txtDisplay.get()))
		self.display(self.current)

	def cos(self):
		self.result = False
		self.current = math.cos(math.radians(float(txtDisplay.get())))
		self.display(self.current)

	def cosh(self):
		self.result = False
		self.current = math.cosh(math.radians(float(txtDisplay.get())))
		self.display(self.current)

	def tan(self):
		self.result = False
		self.current = math.tan(math.radians(float(txtDisplay.get())))
		self.display(self.current)

	def tanh(self):
		self.result = False
		self.current = math.tanh(math.radians(float(txtDisplay.get())))
		self.display(self.current)

	def sin(self):
		self.result = False
		self.current = math.sin(math.radians(float(txtDisplay.get())))
		self.display(self.current)

	def sinh(self):
		self.result = False
		self.current = math.sinh(math.radians(float(txtDisplay.get())))
		self.display(self.current)

	def log(self):
		self.result = False
		self.current = math.log(float(txtDisplay.get()))
		self.display(self.current)

	def exp(self):
		self.result = False
		self.current = math.exp(float(txtDisplay.get()))
		self.display(self.current)

	def acosh(self):
		self.result = False
		self.current = math.acosh(float(txtDisplay.get()))
		self.display(self.current)

	def asinh(self):
		self.result = False
		self.current = math.asinh(float(txtDisplay.get()))
		self.display(self.current)

	def expm1(self):
		self.result = False
		self.current = math.expm1(float(txtDisplay.get()))
		self.display(self.current)

	def lgamma(self):
		self.result = False
		self.current = math.lgamma(float(txtDisplay.get()))
		self.display(self.current)

	def degrees(self):
		self.result = False
		self.current = math.degrees(float(txtDisplay.get()))
		self.display(self.current)

	def log2(self):
		self.result = False
		self.current = math.log2(float(txtDisplay.get()))
		self.display(self.current)

	def log10(self):
		self.result = False
		self.current = math.log10(float(txtDisplay.get()))
		self.display(self.current)

	def log1p(self):
		self.result = False
		self.current = math.log1p(float(txtDisplay.get()))
		self.display(self.current)

added_value = Calc()

txtDisplay = Entry(calc, font=('Helvetica',20,'bold'),
				bg='black',fg='white',
				bd=30,width=28,justify=RIGHT)
txtDisplay.grid(row=0,column=0, columnspan=4, pady=1)
txtDisplay.insert(0,"0")

numberpad = "789456123"
i=0
btn = []
for j in range(2,5):
	for k in range(3):
		btn.append(Button(calc, width=6, height=2,
						bg='black',fg='white',
						font=('Helvetica',20,'bold'),
						bd=4,text=numberpad[i]))
		btn[i].grid(row=j, column= k, pady = 1)
		btn[i]["command"]=lambda x=numberpad[i]:added_value.numberEnter(x)
		i+=1
	
btnClear = Button(calc, text=chr(67),width=6,
				height=2,bg='powder blue',
				font=('Helvetica',20,'bold')
				,bd=4, command=added_value.Clear_Entry
				).grid(row=1, column= 0, pady = 1)

btnAllClear = Button(calc, text=chr(67)+chr(69),
					width=6, height=2,
					bg='powder blue',
					font=('Helvetica',20,'bold'),
					bd=4,
					command=added_value.All_Clear_Entry
					).grid(row=1, column= 1, pady = 1)

btnsq = Button(calc, text="\u221A",width=6, height=2,
			bg='powder blue', font=('Helvetica',
									20,'bold'),
			bd=4,command=added_value.squared
			).grid(row=1, column= 2, pady = 1)

btnAdd = Button(calc, text="+",width=6, height=2,
				bg='powder blue',
				font=('Helvetica',20,'bold'),
				bd=4,command=lambda:added_value.operation("add")
				).grid(row=1, column= 3, pady = 1)

btnSub = Button(calc, text="-",width=6,
				height=2,bg='powder blue',
				font=('Helvetica',20,'bold'),
				bd=4,command=lambda:added_value.operation("sub")
				).grid(row=2, column= 3, pady = 1)

btnMul = Button(calc, text="x",width=6,
				height=2,bg='powder blue',
				font=('Helvetica',20,'bold'),
				bd=4,command=lambda:added_value.operation("multi")
				).grid(row=3, column= 3, pady = 1)

btnDiv = Button(calc, text="/",width=6,
				height=2,bg='powder blue',
				font=('Helvetica',20,'bold'),
				bd=4,command=lambda:added_value.operation("divide")
				).grid(row=4, column= 3, pady = 1)

btnZero = Button(calc, text="0",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=lambda:added_value.numberEnter(0)
				).grid(row=5, column= 0, pady = 1)

btnDot = Button(calc, text=".",width=6,
				height=2,bg='powder blue',
				font=('Helvetica',20,'bold'),
				bd=4,command=lambda:added_value.numberEnter(".")
				).grid(row=5, column= 1, pady = 1)
btnPM = Button(calc, text=chr(177),width=6,
			height=2,bg='powder blue', font=('Helvetica',20,'bold'),
			bd=4,command=added_value.mathPM
			).grid(row=5, column= 2, pady = 1)

btnEquals = Button(calc, text="=",width=6,
				height=2,bg='powder blue',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.sum_of_total
				).grid(row=5, column= 3, pady = 1)
# ROW 1 :
btnPi = Button(calc, text="pi",width=6,
			height=2,bg='black',fg='white',
			font=('Helvetica',20,'bold'),
			bd=4,command=added_value.pi
			).grid(row=1, column= 4, pady = 1)

btnCos = Button(calc, text="Cos",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.cos
			).grid(row=1, column= 5, pady = 1)

btntan = Button(calc, text="tan",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.tan
			).grid(row=1, column= 6, pady = 1)

btnsin = Button(calc, text="sin",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.sin
			).grid(row=1, column= 7, pady = 1)

# ROW 2 :
btn2Pi = Button(calc, text="2pi",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.tau
			).grid(row=2, column= 4, pady = 1)

btnCosh = Button(calc, text="Cosh",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.cosh
				).grid(row=2, column= 5, pady = 1)

btntanh = Button(calc, text="tanh",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.tanh
				).grid(row=2, column= 6, pady = 1)

btnsinh = Button(calc, text="sinh",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.sinh
				).grid(row=2, column= 7, pady = 1)

# ROW 3 :
btnlog = Button(calc, text="log",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.log
			).grid(row=3, column= 4, pady = 1)

btnExp = Button(calc, text="exp",width=6, height=2,
				bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.exp
			).grid(row=3, column= 5, pady = 1)

btnMod = Button(calc, text="Mod",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=lambda:added_value.operation("mod")
				).grid(row=3, column= 6, pady = 1)

btnE = Button(calc, text="e",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.e
			).grid(row=3, column= 7, pady = 1)

# ROW 4 :
btnlog10 = Button(calc, text="log10",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.log10
				).grid(row=4, column= 4, pady = 1)

btncos = Button(calc, text="log1p",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.log1p
				).grid(row=4, column= 5, pady = 1)

btnexpm1 = Button(calc, text="expm1",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd = 4,command=added_value.expm1
				).grid(row=4, column= 6, pady = 1)

btngamma = Button(calc, text="gamma",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.lgamma
				).grid(row=4, column= 7, pady = 1)
# ROW 5 :
btnlog2 = Button(calc, text="log2",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.log2
				).grid(row=5, column= 4, pady = 1)

btndeg = Button(calc, text="deg",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.degrees
			).grid(row=5, column= 5, pady = 1)

btnacosh = Button(calc, text="acosh",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.acosh
				).grid(row=5, column= 6, pady = 1)

btnasinh = Button(calc, text="asinh",width=6,
				height=2,bg='black',fg='white',
				font=('Helvetica',20,'bold'),
				bd=4,command=added_value.asinh
				).grid(row=5, column= 7, pady = 1)

lblDisplay = Label(calc, text = "Scientific Calculator",
				font=('Helvetica',30,'bold'),
				bg='black',fg='white',justify=CENTER)

lblDisplay.grid(row=0, column= 4,columnspan=4)

def iExit():
	iExit = tkinter.messagebox.askyesno("Scientific Calculator",
										"Do you want to exit ?")
	if iExit>0:
		root.destroy()
		return

def Scientific():
	root.resizable(width=False, height=False)
	root.geometry("944x568+0+0")


def Standard():
	root.resizable(width=False, height=False)
	root.geometry("480x568+0+0")

menubar = Menu(calc)

# ManuBar 1 :
filemenu = Menu(menubar, tearoff = 0)
menubar.add_cascade(label = 'File', menu = filemenu)
filemenu.add_command(label = "Standard", command = Standard)
filemenu.add_command(label = "Scientific", command = Scientific)
filemenu.add_separator()
filemenu.add_command(label = "Exit", command = iExit)

# ManuBar 2 :
editmenu = Menu(menubar, tearoff = 0)
menubar.add_cascade(label = 'Edit', menu = editmenu)
editmenu.add_command(label = "Cut")
editmenu.add_command(label = "Copy")
editmenu.add_separator()
editmenu.add_command(label = "Paste")

root.config(menu=menubar)

root.mainloop()