The bulb is an archaic term for the medulla oblongata and in modern clinical usage the word bulbar (as in bulbar palsy) is retained for terms that relate to the medulla oblongata, particularly in reference to medical conditions.
Pi is transcendental. The endless number cannot be expressed by any algebraic equation. No pattern has been found in its digits, Yet it cannot be proven in a finite amount of time. That no pattern exists in an infinite number of digits. Pi goes beyond our reality.
Pi is an irrational number, this means that it cannot be expressed as a fraction, also it can be deduced that Pi cannot be represented as terminating or repeating decimals. Secondly, rational * rational â  irrational, therefore, the square root of pi must be irrational as well. A calculator gives the above estimates.