Groovy Grader

This app lets you replace your old paper grading calculator and it is free for iPads, iPod Touches and iPhones. It is by DryRain Technologies.

The screenshot below shows the options for using the Groovy Grader. Just type in the number of questions, then choose how you want to view by: show number wrong or show number correct, has the option to display the grade as a whole number or with one decimal place.

Just go to iTunes, download and enjoy!