How to Say Algorithm in English

Facebook has built an algorithm that predicts if you're politically interested.

algorithm – n. a set of steps that are followed in order to solve a mathematical problem or to complete a computer process

algorithm
noun [ C ] MATHEMATICS, COMPUTING
UK
/ˈæl.ɡə.rɪ.ðəm/ US
/ˈæl.ɡə.rɪ.ðəm/

a set of mathematical instructions or rules that, especially if given to a computer, will help to calculate an answer to a problem:

Music apps use algorithms to predict the probability that fans of one particular band will like another.