This page is to make a 19-tone equal emperament instrument.
Press some keys to play sound.
Press ArrowUp or ArrowDown to change the Octave.
Press ArrowLeft or ArrowRight to change the Key.
This page simulates the physical movement of elastic balls.
More information is in the help of this page.
This page is a calculator to find the solution of the game Make 24.
Click the '24?' to visit this page.
This page is to find the probability that a specific range of numbers can make a specific result, for each result in the result range.
This page is to test the BPM by tapping with BPM.
You tap more, BPM Overall will be more precise.
This page is to visualize an audio in your microphone or in your system sound, using FFT.
The bars correspond from A2 to C8.
This page provides a online metronome.
Tap the beat dots to change its type.
MinBPM is 1 and MaxBPM is 5000, not only the 30 and 300 on the range bar.
BPM is exactly accurate, unless your device is laggy.