Checking my daughter's homework Message #1 Posted by Sancerre (Phoenix) on 12 May 2009, 6:59 p.m.
My daughter asked me to go over her homework. Today's lesson covered operations with fractions. After going through the work manually, we took out our calculators to check the work. I do most of my work on my 50G, but chose my 35s since it is so easy to enter/calculate/display fractions.
We looked at the following problem: 1/5 + 3 7/8 (that is one fifth plus three and seven eights).
Our manual solution was 3 3/40.
However, the 35s came out with 3 1/13.
Naturally, this wasn't a good thing with my 10 year old daughter watching. So, we did the same calculation on her Smartcalc 300s. The 300s confirmed our manual result. I then entered the calculation as an equation on my 50g, it came back with the same answer as the 300s.
So, how come the 35s came back with a different solution? I must be making some stupid mistake (it has been a long day!). Or, is this some display setting with fractions on the 35s?
Tod
