H2S Calculator Program by Shiva Kumar

Problem Statement 3/H2S Calculator.py

@@ -0,0 +1,208 @@
+
+#This a Basic Calculator program that uses tkinter framework which internally uses python
+#Author: Shiva Kumar Terala
+#submitted to:Hack2skill GAME OF CODES
+
+
+#NOTE: Here "%" works for Modulation and Not for Percentage
+
+
+from tkinter import *
+from tkinter.ttk import Progressbar
+from tkinter.ttk import Combobox
+from tkinter.ttk import Notebook
+import tkinter.font
+from functools import partial
+import math
+import time
+
+
+
+#create Root window
+root=tkinter.Tk()
+
+#create Window Title and dimensions
+root.title("Calculator Project Hack2skill")
+root.geometry("410x520")
+
+expression=""
+click=False
+
+
+#this function will display the user's input on to the screen and updates expression value
+def btnOnClick(data):
+    global expression
+    expression=expression+str(data)
+    label1.config(text=expression)
+
+def plusminus():
+    global expression
+    global click
+    sample=expression
+    if(click==False):
+        print("clicked")
+        label1.config(text="")
+        expression="(-"+expression+")"
+        label1.config(text=expression)
+        click=True
+    if(click):
+        click=False
+        expression=sample
+        label1.config(text=expression)
+
+
+#this function clears the screen
+def clear():
+    label1.config(text="")
+    global expression
+    expression=""
+
+#this function works as backspace
+def clearentry():
+    global expression
+    label1.config(text=expression[:len(expression)-1])
+    expression=expression[:len(expression)-1]   
+
+#calculate square root   
+def sqroot():
+    global expression
+    label1.config(text="\u221A"+expression)
+    try:
+        label1.config(text="\u221A"+expression)
+        time.sleep(1)
+        expression=math.sqrt(int(expression))
+        label1.config(text=expression)
+    except:
+        label1.config(text="Error")
+
+#this function will display final output    
+def equals():
+    global expression
+    if expression=="":
+        label1.config(text="Error")
+    try:
+        ans=str(eval(expression))
+        label1.config(text=ans)
+        expression=""
+    except:
+        if(expression!=""):
+            label1.config(text="Error")
+#this function is to calculate "1/something"    
+def oneby():
+    global expression
+    label1.config(text="")
+    ans=str(eval("1/"+expression))
+    label1.config(text=ans)
+    expression=""
+
+
+#Adding Buttons to the frame
+
+#%button
+button1=Button(root, text = "%", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("%"))
+button1.place(x = 10, y = 160, width = 90, height = 52)
+
+
+#1/x button
+button2 = Button(root, text = "1/x",bg="#860cff", font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:oneby())
+button2.place(x = 10, y = 220, width = 90, height = 52)
+
+#7 button
+button3 = Button(root, text = "7", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("7"))
+button3.place(x = 10, y = 280, width = 90, height = 52)
+
+#4 button
+button4 = Button(root, text = "4", bg="#860cff",font = tkinter.font.Font(family ="Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("4"))
+button4.place(x = 10, y = 340, width = 90, height = 52)
+
+#1 button
+button5 = Button(root, text = "1", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("1"))
+button5.place(x = 10, y = 400, width = 90, height = 52)
+
+#+/- button
+button6 = Button(root, text = "+-", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:plusminus())
+button6.place(x = 10, y = 460, width = 90, height = 52)
+
+#CE button
+button7 = Button(root, text = "CE",fg="#ffffff", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:clearentry())
+button7.place(x = 110, y = 160, width = 90, height = 52)
+
+#Backspace button
+button8 = Button(root, text="\u232B",bg="#ffc53c",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:clearentry())
+button8.place(x = 310, y = 160, width = 90, height = 52)
+
+#Clear Button
+button9 = Button(root, text="C", bg="#860cff" ,fg="#ffffff",font = tkinter.font.Font(family ="Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:clear())        
+button9.place(x = 210, y = 160, width = 90, height = 52)
+
+#Square button
+button10 = Button(root, text="x\u00B2", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("**"))
+button10.place(x = 110, y = 220, width = 90, height = 52)
+
+#8 button
+button11 = Button(root, text="8", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("8"))
+button11.place(x = 110, y = 280, width = 90, height = 52)
+
+#5 button
+button12 = Button(root, text="5", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("5"))
+button12.place(x = 110, y = 340, width = 90, height = 52)
+
+#2 button
+button13 = Button(root, text="2", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("2"))
+button13.place(x = 110, y = 400, width = 90, height = 52)
+
+#0 button
+button14 = Button(root, text="0", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("0"))
+button14.place(x = 110, y = 460, width = 90, height = 52)
+
+#square root button
+button15 = Button(root, text="\u221Ax", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:sqroot())
+button15.place(x = 210, y = 220, width = 90, height = 52)
+
+#9 button
+button16 = Button(root, text="9", bg="#860cff",font = tkinter.font.Font(family ="Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("9"))
+button16.place(x = 210, y = 280, width = 90, height = 52)
+
+#6 button
+button17 = Button(root, text="6", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("6"))
+button17.place(x = 210, y = 340, width = 90, height = 52)
+
+#3 button
+button18 = Button(root, text="3", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("3"))
+button18.place(x = 210, y = 400, width = 90, height = 52)
+
+#. buttton
+button19 = Button(root, text=".", bg="#860cff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("."))
+button19.place(x = 210, y = 460, width = 90, height = 52)
+
+#divide button
+button20 = Button(root, text="\u00F7", bg="#ffc53c",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("/"))
+button20.place(x = 310, y = 220, width = 90, height = 52)
+
+#multipy button
+button21 = Button(root, text="X", bg="#ffc53c",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("*"))
+button21.place(x = 310, y = 280, width = 90, height = 52)
+
+#subtract button
+button22 = Button(root, text="\u2212", bg="#ffc53c",font = tkinter.font.Font(family ="Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("-"))
+button22.place(x = 310, y = 340, width = 90, height = 52)
+
+#addition button
+button23 = Button(root, text="\u002B", bg="#ffc53c",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:btnOnClick("+"))
+button23.place(x = 310, y = 400, width = 90, height = 52)
+
+#equals button
+button24 = Button(root, text="=",bg="#ff0000", fg="#ffffff",font = tkinter.font.Font(family = "Microsoft Sans Serif", size = 16), cursor = "arrow", state = "normal",command=lambda:equals())
+button24.place(x = 310, y = 460, width = 90, height = 52)
+
+#current expression Label
+label1 = Label(root, text=expression,font = tkinter.font.Font(family = "MS Shell Dlg 2", size = 20), cursor = "arrow", state = "normal")
+label1.place(x = 260, y = 50, width = 170, height = 42)
+label1.pack(padx=50,pady=80,side="right",anchor="nw")
+
+
+
+root.mainloop()
+
+
+

youtube link to video

@@ -0,0 +1 @@
+https://youtu.be/XTEHfvfgezg