Running Calculator
Type the equation. Watch the total move.
Running total
Build an expression to calculate.
Tips & shortcuts
The () key chooses the parenthesis that fits next. You
can also type numbers, +, -, *,
/, ^, (, ),
., Enter, Backspace, and Escape from the keyboard.
On phones, use the calculator pad without opening the on-screen
keyboard. Parentheses next to values multiply automatically, and
committed calculations land in history.