To round to a decimal place: ...

Pi Approximation Day 2023: Pi Approximation Day, celebrated on July 22nd, honours the mathematical constant π (pi). The date corresponds to the fraction 22/7, a common and simple approximation for π.

Pi Approximation Day 2025: Pi is a special number in mathematics. It shows the relationship between a circle’s circumference (the distance around the circle) and its diameter (the distance across the ...

Round 248.561 to 1 and 2 decimal places.