Recording your survey or questionnaire on a tally chart means the data is already collected into groups and you will not need to group it later on. To investigate the most popular colour of car ...

It is useful for creating music with the web audio api, where you need to set frequencies on oscillator nodes, but you want them to be notes and such.

Frequency charts show the tally next to each outcome, along with the frequency of the tally. This is the data gathered from a survey about the colours of cars in a car park. This data can be ...

Any script that requires playing musical notes will need the frequency in hertz. This library makes it easier to grab the right frequencies. import musical_note_frequencies as mnf if __name__ == ...