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.
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.