To Be Rational or Not To Be Rational - That is the Question! - Perkins School for the Blind
Rational and irrational numbers | Stage 3 Maths | HK Secondary S1-S3 | Mathspace
Irrational Numbers on a Number Line (Video & Practice)
For many calculators if you input "the square root of -1", you will get out "domain error" Input Output This was done with a TI-30XS calculator. - ppt download
Irrational Numbers - Definition, Common Examples, & Diagram