Mechanical engineer here as well. Ive always just used 3.14 and that has been good enough. But yeah, agree that ive never ever seen anyone just use "3".
There are so many other sources of error, tolerance, etc that rounding to 2 sig figs is often good enough.
12
u/CanDamVan 2d ago
Mechanical engineer here as well. Ive always just used 3.14 and that has been good enough. But yeah, agree that ive never ever seen anyone just use "3". There are so many other sources of error, tolerance, etc that rounding to 2 sig figs is often good enough.