Customer Reviews:
 Good, full-featured but a little short. . . February 7, 2008
4 out of 4 found this review helpful
I bought the 115es originally, and for some reason, NCEES disallowed it from the FS/FE exams, so i also got the 115ms. Note, NCEES appears to be allowing the es again; the approved Casio model has to be a FX-115 model, no designation as to it having to be the ms.
So the ms is very nice! Very clear, crisp display, intuitive keyboard, these things being better than the es. The ms is also full-featured, having solve & calc functions (very handy), ability to do derivatives, integrals, quad & cubic equations, solve simult equations of up to 3 unknowns, full statistics capability, etc. But the ms will basically be relegated to being my backup to the 115es, because the es does everything the ms does, and has unit conversions, scientific contants, matrix, table, and vector capability; in addition to being more user-friendly in toggling between the desired mode of operation or setup style.
I'm really not sure why Casio offers 2 such similar platforms, separated by a minimal price. . . i mean for the money, why wouldn't you get the 115es? Hopefully, NCEES will not exclude the es from its approved list again (totally don't know why they did in the first place). But comparing either casio model to the approved texas instruments models, or the HP models, the casios offer great value & practicality, without a huge learning curve.
If you're not remotely concerned w/ any of this NCEES speak (i don't blame you), buck up to the 115es. For a few $$ more than the ms, it provides a lot more features.
 Excellent functionality and ease of use for a great price November 23, 2007
3 out of 3 found this review helpful
This calculator was recommend for an AC Physics course I'm taking and it is a great deal.
Two things that are particularly great about this calculator are that you can enter scientific notation prefixs (p for pico, n for nano, etc.) so you don't have to do the conversions in your head.
Another highly useful aspect for electrical and engineering applications is the ease with which you can enter polar and rectangular coordinates. For most calculators I've owned they either lacked the feature entirely (it is rare to find polar and rectangular support in calculators at this price range) or were extremely clumsy to enter and use.
It also appears to do differentiation and integration (a surpise for such an inexpensive calculator) but I haven't had need for those in my current courses so can't say how well it does them.
Engineering Student's Best Companion November 1, 2007
I think this calculator is great for both high school and college students, because it has virtually everything a student needs out of a calculator...low-cost, reliability, durability, long list of functions, standard features and more...I think even professional engineers might appreciate this calculator...Within it's price range, I think it's the best one out there.
Great October 29, 2007
Love this calculator. Very inexpensive and gives you everything you need. Lacks the graphing of a graphing calculator, but who really needs that in the real world. If you are looking for a great calculator with everything, but don't need to spend over a hundred bucks for graphing functions, get this calculator.
Sweet review October 21, 2007
It came in the condition described, came by the estimated shipping date. I would definitely buy from this company again. Very reliable.
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