Scientific Calculator App

import tkinter as tk from tkinter import ttk import math import cmath class ScientificCalculator: def __init__(self, root): self.root = root self.root.title("Scientific Calculator") self.root.geometry("400x650") self.root.configure(bg='#1a1a2e') # Variables self.current = "0" self.previous = "" self.operation = "" self.memory = 0 self.history = [] self.setup_ui() def setup_ui(self): # Display self.display_var = tk.StringVar(value="0") display = tk.Entry(self.root, textvariable=self.display_var, font=('SF Mono', 24, 'bold'), justify='right', bg='#0f0f23', fg='#10B981', bd=0, readonly=True) display.grid(row=0, column=0, columnspan=5, padx=20, pady=20, ipady=20) # Buttons buttons = [ ('C', 1, 0), ('±', 1, 1), ('%', 1, 2), ('÷', 1, 3), ('sin', 2, 0), ('cos', 2, 1), ('tan', 2, 2), ('×', 2, 3), ('7', 3, 0), ('8', 3, 1), ('9', 3, 2), ('-', 3, 3), ('4', 4, 0), ('5', 4, 1), ('6', 4, 2), ('+', 4, 3), ('1', 5, 0), ('2', 5, 1), ('3', 5, 2), ('=', 5, 3), ('0', 6, 0), ('.', 6, 2), ('√', 6, 3) ] for (text, row, col) in buttons: self.create_button(text, row, col) def create_button(self, text, row, col, colspan=1): btn = tk.Button(self.root, text=text, font=('Inter', 16, 'bold'), bg='#2d2d44', fg='white', bd=0, padx=20, pady=20, command=lambda t=text: self.button_click(t), relief='flat', cursor='hand2') btn.grid(row=row, column=col, padx=8, pady=8, ipadx=25, ipady=25, sticky='nsew', columnspan=colspan) btn.bind('', lambda e: btn.configure(bg='#3d3d5a')) btn.bind('', lambda e: btn.configure(bg='#2d2d44')) def button_click(self, char): if char == 'C': self.current = "0" elif char == '=': self.calculate() elif char in '+-×÷': self.operation = char self.previous = self.current self.current = "0" elif char == '.': if '.' not in self.current: self.current += char else: if self.current == "0": self.current = char else: self.current += char self.display_var.set(self.current) def calculate(self): try: prev = float(self.previous) curr = float(self.current) if self.operation == '+': result = prev + curr elif self.operation == '-': result = prev - curr elif self.operation == '×': result = prev * curr elif self.operation == '÷': result = prev / curr if curr != 0 else "Error" self.current = str(result) self.history.append(f"{self.previous} {self.operation} {self.current} = {result}") except: self.current = "Error" self.display_var.set(self.current) # Run app if __name__ == "__main__": root = tk.Tk() app = ScientificCalculator(root) root.mainloop()

# Scientific functions def scientific_function(self, func): try: value = float(self.current) if func == 'sin': result = math.sin(math.radians(value)) elif func == 'cos': result = math.cos(math.radians(value)) elif func == 'tan': result = math.tan(math.radians(value)) elif func == 'log': result = math.log10(value) elif func == '√': result = math.sqrt(value) self.current = str(round(result, 6)) except: self.current = "Error" # Memory functions def memory_add(self): self.memory += float(self.current) def memory_recall(self): self.current = str(self.memory) def memory_clear(self): self.memory = 0 # History panel (new window) def show_history(self): hist_window = tk.Toplevel(self.root) hist_window.title("Calculation History") for calc in self.history[-20:]: tk.Label(hist_window, text=calc, bg='#1a1a2e', fg='white').pack(pady=2)

# Dark theme configuration THEME = { 'bg': '#1a1a2e', 'display_bg': '#0f0f23', 'btn_bg': '#2d2d44', 'btn_hover': '#3d3d5a', 'primary': '#10B981', 'secondary': '#F59E0B', 'accent': '#EF4444' } # Button animations def animate_button_press(self, btn): btn.configure(bg=THEME['btn_hover']) self.root.after(100, lambda: btn.configure(bg=THEME['btn_bg'])) # Keyboard support def on_keypress(self, event): if event.char.isdigit() or event.char in '+-*/.()': self.button_click(event.char) elif event.keysym == 'Return': self.calculate() elif event.keysym == 'Escape': self.button_click('C') self.root.bind('', self.on_keypress)

# requirements.txt """ tkinter PyInstaller==5.13.2 """ # Build executable (Windows/Mac/Linux) # pip install pyinstaller pyinstaller --onefile --windowed --icon=calc.ico calculator.py # Advanced: Auto-updater import requests def check_updates(): latest = requests.get('https://api.github.com/repos/user/calc/releases/latest') # Auto-download updates # Cross-platform installer # Create .dmg (Mac), .exe (Windows), .deb (Linux)