By far the most popular and well-stocked category of used instruments is our selection of guitars, where we've got a huge variety of all the big names. Used Gibson Les Paul, pre-owned Fender Telecaster and secondhand Stratocaster guitars are commonly found within these pages, waiting for their new homes with players and collectors.
22/7 is a pretty decent choice for teaching 11-year-olds about fractions that are close to pi. 355/113 would be better, if you think they can remember numbers that big. And approxRational is fun. Exercise for the interested reader: implement an inverse to approxRational.
PI as a fraction. Introduction : Pi is a constant value which cannot be changed by any one. The pi symbol is denoted by as .The fractional value of pi is 22/7 and its equivalent decimal value is 3.142â¦Using the value of pi the absolute value of area of a circle can be calculated.