Advanced Multi-Mode Calculator

Advanced Multi-Mode Calculator

A professional web-based calculator with four specialized modes. Perfect for students, engineers, programmers, and everyday calculations. Fully responsive and ready to use!

Standard Mode

Basic arithmetic operations: addition, subtraction, multiplication, division, and percentage calculations. Perfect for everyday math.

Scientific Mode

Advanced functions: trigonometry (sin, cos, tan), logarithms, exponents, square roots, and constants (π, e). Ideal for students and engineers.

Programmer Mode

Number base conversions (BIN, OCT, DEC, HEX), bitwise operations, and logical calculations. Essential for developers and programmers.

Date Calculator

Calculate the difference between two dates, add/subtract days from a date, and day of the week calculations. Great for planning and scheduling.

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Advanced Calculator Features

Four Calculation Modes

Switch between Standard, Scientific, Programmer, and Date modes for specialized calculations.

Calculation History

View your previous calculations for reference and error checking.

Keyboard Support

Use your physical keyboard for faster input and calculations.

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All conversions are based on standard international measurement units