👉 In Greek mathematics, a stola is an algebraic number that is also a rational number. Specifically, it is a real number \(x\) such that \(\sqrt{x} = -1 + i\), where \(i\) is the imaginary unit. This means that x is a complex number of the form \(a+bi\) with \(a\) and \(b\) being integers. The term "stola" in this context refers to an algebraic number that has been transformed into