fermi

fermi

Estimate the number of piano tuners in a city given the population.

Fermi_problem.

example

var fermi = require('fermi');
var n = fermi(5000000);
console.log(n);

methods

var fermi = require('fermi');

fermi(population, assumptions)

Return the estimated number of piano tuners in a city given the city population.

assumptions Optional assumptions for the estimate.

• people_per_house average number of persons in each household. Default is 2.
• houses_with_piano_percent number of households that have a piano that is tuned regularly as a percentage. Default is 5.0.
• tuning_per_piano_per_year: average number of times per year a (regularly tuned) piano is tuned. Default is 1.
• tuning_time_hours number of hours it takes a piano tuner to tune a piano, including travel time. Default is 2.
• tuner_work_hours_per_day number of hours per day a tuner works. Default is 8.
• tuner_work_days_per_week number of days a week a tuner works. Default is 5.
• tuner_work_weeks_oer_year number of weeks a year a tuner works. Default is 50.

install

With npm do:

npm install fermi

license

MIT