Have you ever used a construction calculator?

Question

I've seen them for sale and have wondered if they are useful. Did it help estimate a job? What do you (personally) use them for? Is there a brand that you recommend?

http://search.ebay.com/search/search.dll?from=R40&_trksid=m37&satitle=construction+calculator&category0=

Answer 1

construction master that is the brand and i think they have number 5 or 6 version out . yes i have one and it is very worth it. i use them to do my fractions, find my area , my volume, and for rise and run on stair solutions. also to find my diagonals in squaring.