Études & sciences Archives

Distance between two points

Calculate the distance in a two-dimensional Cartesian coordinate system.

Calculate the probability of an event with equally likely outcomes.

Calculate the probability that two independent events both occur.

Count selections of k elements from n without order or repetition.

Count ordered selections of k elements from n without repetition.

Divide the number of successes by the total number of attempts.

Calculate the product of the integers from 1 to n.

Express a score on a 100-point scale.

Find the grade needed on a remaining assessment to reach a target average.

Convert a grade from any scoring scale into a score out of 20.