Quick arithmetic
Handle prices, measurements, simple ratios, and other one-step arithmetic from a desktop or mobile browser.
Enter an arithmetic expression → Get an instant TI-84-style result.
The TI-84 calculator loads directly in your browser.
Type your mathematical expression using the on-screen keypad or your keyboard.
Press Enter or click the equals button to see your result.
Access graphing, statistics, and scientific functions from the menu.
Handle prices, measurements, simple ratios, and other one-step arithmetic from a desktop or mobile browser.
Practice entering basic operations on a keypad-like interface without installing calculator software.
When you select an operator, the calculator stores the displayed number. It treats the next numeric entry as the second operand and applies the selected operation when Equals is pressed.
The percent key divides the current number by 100, while the sign key multiplies it by negative one.
Enter 12, select multiplication, enter 4, and press Equals to display 48. Selecting Percent while 25 is displayed changes the current value to 0.25.