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Calculator
Tap the pins you knock down on each roll. Strikes, spares, bonuses and the tenth frame are all handled for you.
This calculator applies the standard tenpin rules: a strike scores 10 plus your next two rolls; a spare scores 10 plus your next one roll; an open frame scores its pinfall. The tenth frame grants bonus rolls so the strike or spare can be completed. For the full explanation with worked examples, see how scoring works.