Calculator
Standard calculator with memory functions
History
No calculations yet
Keyboard Shortcuts
How to Use
- 1
Enter your first number
Click the number buttons or use your keyboard to enter the first number
- 2
Choose an operation
Click +, -, ×, or ÷ to select the mathematical operation
- 3
Enter the second number
Input the second number for your calculation
- 4
Get your result
Press = or Enter to see the calculated result
Frequently Asked Questions
What is the difference between C and CE buttons?
What is the difference between C and CE buttons?
C (Clear) clears all entries and resets the calculator completely. CE (Clear Entry) only clears the current number being typed, keeping the previous calculation intact.
How do memory functions work?
How do memory functions work?
MC clears memory, MR recalls the stored value, M+ adds the current display to memory, and M- subtracts the current display from memory. The memory functions help you store intermediate results.
Can I use keyboard shortcuts?
Can I use keyboard shortcuts?
Yes! Use number keys 0-9, operators (+, -, *, /), Enter or = for equals, Escape to clear all, and Backspace to delete the last digit.
How accurate are the calculations?
How accurate are the calculations?
The calculator uses JavaScript's built-in math functions which provide double-precision floating-point accuracy, suitable for most everyday calculations.