Irrational number number to ratios of continuous magnitude. In his commentary on Book 10 of the "Elements", the Persian mathematician Al-Mahani (d. 874/884) examined and classified quadratic irrationals and cubic irrationals. He provided definitions for rational and irrational magnitudes, which he treated as irrational numbers. He dealt with them freely but explains them in geometric terms as follows: In contrast to Euclid's concept of magnitudes as lines, Al-Mahani considered integers and fractions as rational magnitudes, and square roots and cube roots as irrational magnitudes. He also introduced an arithmetical approach to the concept of irrationality, as he attributes the following to irrational
Irrational Games Through 2014 to 2015 Irrational Games continued to post several openings for jobs at the studio. In January 2015, Levine and the remaining staff are currently developing their first game which will be a "first-person sci-fi" game. On February 23, 2017, the studio announced it had rebranded itself as Ghost Story Games, founded by 12 of the former Irrational members with Levine still as president and creative director. The studio's focus is "to create immersive, story-driven games for people who love games that ask something of them"; the name was chosen as ghost stories "are immersive, exciting, and steeped in