Calculator tools

How could you use these tools?

Radioactive decay of Carbon-14

Click on calculate >> exponential

Carbon-14 has a half-life of 5730 years

Exponential growth of virus COVID-19 in USA

Click on calculate >> exponential

There were 1714 people infected in the US on 15 March 2020, and over 100.000 14 days later.

If I practice my violin for 3 hours every day, how long until I reach (Gladwell's) 10.000 hours level of excellence?

Click on calculate >> practice

Fill in 3 hours, 7 days/week and 52 weeks. You will find it would take you 9.2 years.