10-09-2009, 02:57 PM
Here's a very simple Python calculator that supports all the math functions and arithmetic...
To use just execute and type the math/arithmetic into the entry field. When your finished hit the return key.
for example type into the entry field sin(67) * 56 / (45 + cos(12) - log(345))
and the hit the return key
To clear the entry field press the escape key...
This is a demo for all the Python newbies...Have fun, Python is a great language
To use just execute and type the math/arithmetic into the entry field. When your finished hit the return key.
for example type into the entry field sin(67) * 56 / (45 + cos(12) - log(345))
and the hit the return key
To clear the entry field press the escape key...
This is a demo for all the Python newbies...Have fun, Python is a great language
Code:
#! /usr/bin/python
# -*- coding: iso-8859-1 -*-
import Tkinter
from math import *
class MyCal:
def __init__(self, master):
self.ans = 0
self.frame = Tkinter.Frame(master)
self.entry = Tkinter.Entry(self.frame, width = 60, bg = 'white',\
fg = 'black')
self.entry.bind('<Return>', self.calit)
self.entry.bind('<Escape>', self.eraseit)
self.entry.pack()
self.frame.pack()
def eraseit(self, event):
self.entry.delete(0, Tkinter.END)
def calit(self, event):
try:
self.ans = eval(str(self.entry.get()))
self.entry.delete(0, Tkinter.END)
self.entry.insert(0, str(self.ans))
except:
self.entry.delete(0, Tkinter.END)
self.entry.insert(0, 'Illegal instruction')
root = Tkinter.Tk()
root.title('Calculator')
cal = MyCal(root)
root.mainloop()