這其實是我寫的第一次Python圖形化介面程式，當時還不會用Qt，於是就用wxPython寫的，wx相對於Qt來說還是要麻煩一些，介面看上去也沒有Qt高階。博主女生，嘗試把計算器介面換成粉紅色淡藍色，最後發現還是黑灰白的順眼一點。

執行介面如下：

下面是原始碼：

# -*- coding: utf-8 -*-
import wx
import math

class MyCalculator(wx.Frame):
    def __init__(self):
        super().__init__(parent=None,title="MyCalculator",size=(480
 
,400),style=wx.DEFAULT_FRAME_STYLE ^ (wx.RESIZE_BORDER | wx.MINIMIZE_BOX | wx.MAXIMIZE_BOX))
        self.Center()
        panel = wx.Panel(parent=self)
        panel.SetBackgroundColour('white')
        panel.Center()
        font = wx.Font(14, wx.ROMAN, wx.NORMAL, wx.BOLD, underline=False)
        
        filemenu =
 
 wx.Menu()
        menuAbout = filemenu.Append(wx.ID_ABOUT,"&About")
        filemenu.AppendSeparator()
        menuExit = filemenu.Append(wx.ID_EXIT,"&Exit")
        menuBar = wx.MenuBar()
        menuBar.Append(filemenu, "&File")
        self.SetMenuBar(menuBar)
        menuBar.SetFont(
 
font)
        self.Bind(wx.EVT_MENU, self.OnAbout,menuAbout)
        self.Bind(wx.EVT_MENU, self.OnExit,menuExit)
        
        self.equation = ""
        self.result = 0
        self.ResultFlag = 0
        
        self.textprint = wx.TextCtrl(panel,-1,'',style=wx.TE_MULTILINE)
        self.textprint.SetFont(font)
        self.textprint.BackgroundColour = 'white'
        
        boxsize = wx.BoxSizer(wx.VERTICAL)
        boxsize.Add(self.textprint,1,wx.EXPAND)
        gridsizer = wx.GridSizer(cols=5,rows=6,vgap=1,hgap=0)
        
        self.btn0 = wx.Button(panel, label='0')
        self.btn1 = wx.Button(panel, label='1')
        self.btn2 = wx.Button(panel, label='2')
        self.btn3 = wx.Button(panel, label='3')
        self.btn4 = wx.Button(panel, label='4')
        self.btn5 = wx.Button(panel, label='5')
        self.btn6 = wx.Button(panel, label='6')
        self.btn7 = wx.Button(panel, label='7')
        self.btn8 = wx.Button(panel, label='8')
        self.btn9 = wx.Button(panel, label='9')
        self.btn10 = wx.Button(panel, label='^')
        self.btn11 = wx.Button(panel, label='.')
        self.btn12 = wx.Button(panel, label='=')
        self.btn13 = wx.Button(panel, label='÷')
        self.btn14 = wx.Button(panel, label='×')
        self.btn15 = wx.Button(panel, label='-')
        self.btn16 = wx.Button(panel, label='+')
        self.btn17 = wx.Button(panel, label='Ans')
        self.btn18 = wx.Button(panel, label='AC')
        self.btn19 = wx.Button(panel, label='DEL')
        self.btn20 = wx.Button(panel, label='sin')
        self.btn21 = wx.Button(panel, label='cos')
        self.btn22 = wx.Button(panel, label='tan')
        self.btn23 = wx.Button(panel, label='(')
        self.btn24 = wx.Button(panel, label=')')
        self.btn25 = wx.Button(panel, label='π')
        self.btn26 = wx.Button(panel, label='log')
        self.btn27 = wx.Button(panel, label='ln')
        self.btn28 = wx.Button(panel, label='sqrt')
        self.btn29 = wx.Button(panel, label='mod')
        
        self.btn0.SetFont(font)
        self.btn1.SetFont(font)
        self.btn2.SetFont(font)
        self.btn3.SetFont(font)
        self.btn4.SetFont(font)
        self.btn5.SetFont(font)
        self.btn6.SetFont(font)
        self.btn7.SetFont(font)
        self.btn8.SetFont(font)
        self.btn9.SetFont(font)
        self.btn10.SetFont(font)
        self.btn11.SetFont(font)
        self.btn12.SetFont(font)
        self.btn13.SetFont(font)
        self.btn14.SetFont(font)
        self.btn15.SetFont(font)
        self.btn16.SetFont(font)
        self.btn17.SetFont(font)
        self.btn18.SetFont(font)
        self.btn19.SetFont(font)
        self.btn20.SetFont(font)
        self.btn21.SetFont(font)
        self.btn22.SetFont(font)
        self.btn23.SetFont(font)
        self.btn24.SetFont(font)
        self.btn25.SetFont(font)
        self.btn26.SetFont(font)
        self.btn27.SetFont(font)
        self.btn28.SetFont(font)
        self.btn29.SetFont(font)
        
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn0)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn1)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn2)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn3)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn4)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn5)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn6)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn7)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn8)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn9)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn10)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn11)
        self.Bind(wx.EVT_BUTTON,self.OnResult,self.btn12)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn13)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn14)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn15)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn16)
        self.Bind(wx.EVT_BUTTON,self.OnAns,self.btn17)
        self.Bind(wx.EVT_BUTTON,self.OnAc,self.btn18)
        self.Bind(wx.EVT_BUTTON,self.OnDel,self.btn19)
        self.Bind(wx.EVT_BUTTON,self.OnOp,self.btn20)
        self.Bind(wx.EVT_BUTTON,self.OnOp,self.btn21)
        self.Bind(wx.EVT_BUTTON,self.OnOp,self.btn22)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn23)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn24)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn25)
        self.Bind(wx.EVT_BUTTON,self.OnOp,self.btn26)
        self.Bind(wx.EVT_BUTTON,self.OnOp,self.btn27)
        self.Bind(wx.EVT_BUTTON,self.OnOp,self.btn28)
        self.Bind(wx.EVT_BUTTON,self.OnAppend,self.btn29)
        
        self.btn0.BackgroundColour = 'white'
        self.btn1.BackgroundColour = 'white'
        self.btn2.BackgroundColour = 'white'
        self.btn3.BackgroundColour = 'white'
        self.btn4.BackgroundColour = 'white'
        self.btn5.BackgroundColour = 'white'
        self.btn6.BackgroundColour = 'white'
        self.btn7.BackgroundColour = 'white'
        self.btn8.BackgroundColour = 'white'
        self.btn9.BackgroundColour = 'white'
        
        gridsizer.AddMany([(self.btn18, 0, wx.EXPAND),
            (self.btn10, 0, wx.EXPAND),
            (self.btn28, 0, wx.EXPAND),
            (self.btn29, 0, wx.EXPAND),
            (self.btn19, 0, wx.EXPAND),
            (self.btn26, 0, wx.EXPAND),
            (self.btn23, 0, wx.EXPAND),
            (self.btn24, 0, wx.EXPAND),
            (self.btn27, 0, wx.EXPAND),
            (self.btn13, 0, wx.EXPAND),
            (self.btn20, 0, wx.EXPAND),
            (self.btn7, 0, wx.EXPAND),
            (self.btn8, 0, wx.EXPAND),
            (self.btn9, 0, wx.EXPAND),
            (self.btn14, 0, wx.EXPAND),
            (self.btn21, 0, wx.EXPAND),
            (self.btn4,0, wx.EXPAND),
            (self.btn5, 0, wx.EXPAND),
            (self.btn6, 0, wx.EXPAND),
            (self.btn15, 0, wx.EXPAND),
            (self.btn22, 0, wx.EXPAND),
            (self.btn1, 0, wx.EXPAND),
            (self.btn2, 0, wx.EXPAND),
            (self.btn3, 0, wx.EXPAND),
            (self.btn16, 0, wx.EXPAND),
            (self.btn25, 0, wx.EXPAND),
            (self.btn17, 0, wx.EXPAND),
            (self.btn0, 0, wx.EXPAND),
            (self.btn11, 0, wx.EXPAND),
            (self.btn12, 0, wx.EXPAND),])
    
        boxsize.Add(gridsizer,6,wx.EXPAND)
        panel.SetSizerAndFit(boxsize)
        self.textprint.SetValue(self.equation)
        
    def OnAbout(self,event):
        dlg = wx.MessageDialog(self,"This is a calculator written by Python3.6.","About Program",wx.OK)
        dlg.ShowModal()
        dlg.Destroy()
        
    def OnAppend(self,event):
        ops = ['×', '÷', '+', '-', '^','mod','.']
        eventbutton = event.GetEventObject()
        label = eventbutton.GetLabel()
        if label not in ops and self.ResultFlag != 0:
            self.ResultFlag = 0
            self.textprint.Clear()
            self.result = 0
            self.equation = ""
            
        if label in ops and self.ResultFlag != 0:
            self.equation = str(self.result)
            self.ResultFlag = 0
            
        self.equation += label
        self.textprint.SetValue(self.equation)
        
    def OnOp(self,event):
        
        label = event.GetEventObject().GetLabel() +'('
        if self.ResultFlag != 0:
            self.equation = label + str(self.result)
            self.ResultFlag = 0
        else:
            self.equation += label
        self.textprint.SetValue(self.equation)
        
    def OnDel(self,event):
        if '=' not in self.equation:
            self.ResultFlag = 0
            self.result = 0
        self.equation = self.equation[:-1]
        self.textprint.SetValue(self.equation)
        
    def OnAc(self,event):
        self.textprint.Clear()
        self.result = 0
        self.ResultFlag = 0
        self.equation = ""
        
    def OnExit(self,event):
        self.Close(True)
        
    def OnResult(self,event):
        string = self.equation
        if 'log' in string:
            string = string.replace('log','log10')
        MathFac = ['sqrt','sin','cos','tan','log10']
        for fac in MathFac:
            if fac in string:
                string = string.replace(fac,'math.'+fac)
        if 'ln' in string:
            string = string.replace('ln','math.log')
        if '^' in string:
            string = string.replace('^','**')
        if '×' in string:
            string = string.replace('×','*')
        if '÷' in string:
            string = string.replace('÷','/')
        if 'π' in string:
            string = string.replace('π','math.pi')
        if 'mod' in string:
            string = string.replace('mod','%')
        count1 = 0
        count2 = 0
        for i in string:
            if i == '(':
                count1 += 1
                string += ')'
        for i in string:
            if i == ')':
                count2 += 1
        if count1 < count2:
            for i in range(count2-count1):
                string = '(' +string
        count1 = 0
        count2 = 0
        try:
            self.result = round(eval(string),10)
            self.equa