Modern Calculator Application
A feature-rich calculator application built with Python and Tkinter, offering both basic arithmetic and scientific calculations in a clean, modern interface.
Features
Basic Operations

Addition (+)
Subtraction (-)
Multiplication (×)
Division (÷)
Percentage calculations (%)
Positive/negative toggle (±)
Decimal point support
Clear function (C)

Scientific Functions

Trigonometric functions (sin, cos, tan)
Square root (√)
Powers (^)
Pi constant (π)
Parentheses support for complex expressions

UI Features

Large, clear display
Responsive grid layout
Professional styling
Error handling
Keyboard input support
Mouse click support

Requirements

Python 3.x
Tkinter (usually comes pre-installed with Python)

Installation

Ensure Python 3.x is installed on your system
bashCopypython --version

Save the calculator code to a file named calculator.py
Run the application:
bashCopypython calculator.py


Usage Instructions

Basic Calculations

Click the number buttons to input values
Use operation buttons (+, -, ×, ÷) for basic arithmetic
Press '=' to see the result
'C' clears the display


Scientific Operations

Use 'sin', 'cos', 'tan' for trigonometric calculations
'√' calculates square root
'^' raises a number to a power
'π' inputs the value of pi
Use parentheses for complex expressions


Additional Features

'±' toggles between positive and negative numbers
'%' converts the current number to a percentage
'.' adds decimal point for floating-point numbers