QuartzMetro
This is an app of the metronome.Accurate:An error of less than 22.7 micro-second.(based on theoretical calculation)(1 micro-second is equal to 0.001 m...
ON Science Japan
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This is an app of the metronome.Accurate:An error of less than 22.7 micro-second.(based on theoretical calculation)(1 micro-second is equal to 0.001 m...