Calc theme 1 2 3 Sorry, but this page doesn't work without javascript. Would you consider turning it on? Expression history History Your previous calculations will appear here. Shortcuts Shortcuts Backspace Delete last character Ctrl + z Go to previous step 0 to 9 Add a number +, -, x, / and ^ Add an operator ( ) Add parentheses = Calculate result r Reset Copy keyboard 7 8 9 DEL 4 5 6 + 1 2 3 - . 0 ÷ x ( ) ^ % reset =