Online Calculator

1. Click the [number keys] or [function keys] on the web calculator to perform calculations.

2. You can also perform calculations using the number keys and symbol keys such as “+ – × ÷ , . =” on your keyboard.

3. The "Backspace" key on the keyboard deletes the previous entry.

4. The "Enter" key on the keyboard acts as the "=" key and performs the calculation immediately.

5. Explanation of some function keys:

(1) AC: Clears the numbers in the display area or clears the memory.

(2) M+: Adds the number in the display to the number in memory, calculates the result, and stores it in memory.

(3) M-: Subtracts the number in the display from the number in memory, calculates the result, and stores it in memory.

(4) MR: Displays the number in memory on the screen.

(5) MC: Clears the contents of memory.

(6) Rad: Switch to radians (used for trigonometric and inverse trigonometric calculations).

(7) Deg: Switch to degrees.

(8) RND: Generates a random number between 0 and 1.