Statistics Calculator++ App Reviews

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I wish you could input Z-scores into normal distribution. There is a few improvements but big one would be for you to swap input scores.

Only a few equations. Not worth it

Prof. Very poor navigation

No clear instruction on how to use it. I’m trying to solve a homework problem but this app was a waste of money. No clear instructions about how to use it.

Where were you in college?!. This app is amazing, I wished it had come out while I was in college. I use everyday at work because it's so easy and self explanatory for regressions, statistics, and simple to edit tables for values.

Powerful. Honestly this thing feels like magic. Works incredibly well.

Great tools. Súper color

Great professional calculator!!!. It is a perfect app for whoever wants to do any serious calculations on iPhone. Great statistics and scientific functions.

Not worth it. I bought it to calculate nCr but it doesn't even have that feature. The picture shows that it does.

Great app. Very nice interface, easy to use and lots of tools. Def recommend!

Awesome calculator. It has all the regression models I need and super user friendly. I'm speechless!

Waste. Too basic yet too advanced. I didn't like it and I feel I wasted $2.

Awesome calculator. So easy to do stat and regression calculations.

Very useful statistics calculator. This is a very handy app as a replacement for scientific calculators. It includes regression functionality than can be very useful if you are away from your computer or just want to get quick work done. Recommended for college students as well as engineers/scientists.

Very user friendly. So easy to use and intuitive. Two thumbs up!

In-app purchases. I bought this app expecting full features that I could use WITHOUT having to pay a second time. I just wanted to see what my line of best fit would like like when graphed, but I have to pay for that! You guys already make us pay for an app that, at first, is quite confusing. Why should we pay for more?

Just hit "BUY," you will not regret it.. I just used this calculator to get me through a Master's level Educational Statistics class. The calculator worked better than I imagined!

Statistics Normal Distribution. I was able to quickly and easily find the area under the standard normal distribution curve between my two values and so I can follow along with my online classes easily. This is worth the small price of $2, especially if you are serious about learning statistics anyway.

Nope. More hype than product. It doesn’t work in practical ways.

It’s ok. It’s ok if you need basic functions but if you need to do anything else you have to buy more. Was too difficult to figure out so i deleted shortly after.

I am here trying to tap on the statistics part and it won’t open for nothing. I will try a couple times then I will no if it is not worth it

Horrible App. Worst $2.99 ever spent! Wouldn’t even even give it a one star but won’t let me send review without. Deleting app as soon as review is complete.

Great Calculator. I have bought several calculators from these guys. They are all great and very reliable. I would definitely recommned this to anybody who needs statistics stuff, like mean, variance, regression models. I wish it would plot the regression models as well.

Not good. I don’t like it.

Highly Useful App!!!. Great statistics calculator. It has all the regression models I would ever need. With a very user friendly interface to enter and view the X and Y data and their statistics measures. I don't get scared when I don't have my TI on me anymore.

Exactly what i needed. Provides everything i have needed. A tutorial would have been nice, but i was able to figure it out

Best stat calculator. The most resourceful tool I have on my iPhone!!! Can't live without it!

App. I love it. This is very helpful. I recommend this app to every one who is interested in doing scientific calculations. Being as a science student it really helped me to solve some problems.

Best Stats Calc so far!. I downloaded a number of paid and free Stats Calcs - this one wins! Worth the $!

Nice for quick calculation.. It would be very helpful if instructions and teaching examples were attached. Overall well done and affordable. Thanks

Awesome!. It makes all of my statistics calculation like a peace of cake. I definitely recommend it for those who work with statistics.

Horrible. I think the developers had a hand in these positive reviews because there is nothing out of the ordinary about this calculator! Do yourself a favor...don't waste your money. I seriously regret wasting mine!

Absolutely awful. Do not waste your time or $ on this crappy calculator!! The calculator that comes on your phone is better than this! Total waste of time and money!

:). You saved me from my homework in my methods course. Keep it up Behzad. Hope you're well.

Need a refund. Refund please!

Very Solid!. Tried so many paid and free statistics calculator on the app store. This one by far exceeds my expectations and needs. Highly recommended. Worth every penny.

Easy statistics with great unique features. I am totally happy with this app. New features and creative methods made this calculator easy to work with. also great capabilities for many needed functions makes this app a great complimentary to all other calculators. Some of the functions are ultimately new and unique.

Wow. Awesome statistics calc. It has all the regressions I'd ever need for my work. It's also very convenient that you can see all the data points you entered and can delete it if needed. Graphics part of it is very good looking.

Great calculator. Helps me a lot to check my stats homework. Great job developers.

Amazing app!. It's great that it shows all the regression models on one list! You have the ability to choose the best fit for the data entered.

Recommending. I was always scared of statistical calculations before...but now this aap made my life so easy. This is an amazing aap for people like me. Easy to use & 100% correct answer. So recommending everyone.

great statistics. By far one of the best apps I have used. This is THE statistics calculator made for iPhone. Feels so intuitive when you navigate from screen to screen. Two thumbs up. 👍👍

Advanced. Very good

Love it !. Couldn't be happier with this app. So useful and really easy to use. Helps a lot in school !

It’s literally a regular calculator. Doesn’t offer anything as advertised, I’m guessing the reviews are faked. It’s the exact same as the one that’s on your phone

Awesome. Perfect thing to have

Well thought-out. I don't think I can go back to my TI anymore. At least not for statistics and regression stuff. Well done!

Garbage. Have the same functions and more on the calculator app that came with my iPhone. This is useless. Would have given this app ZERO stars if I could have.

Easy to Use!. The calculator is easy to use, straight forward ,and doesn’t have any problems I’ve found so far. Thanks!

Stat calculator. Easy to use and comprehensive!

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Love the app.. Generally exceptional. One issue is that data entry is landscape but to clear the data you have to change to portrait and clear the buffers then click “done” twice, to return to data entry mode again, surely this could be more streamlined?

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Awesome. Yeah bring more features

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Waste of money!. I can't seem to make this app work on the iOS7 platform. Total waste of money for me.

Great App. So simple and intuitive!!! They made regression analysis look so simple.many unique features like residuals and quadratic equation solver. This is a great app!

Pretty good, intuitive, some functions could be expanded. I have used this app for over a year, and they were very quick to update when iOS 7 came out. The basic functions are very easy to use and it does not take a long time to figure out some of the more advanced functions like regression. Linear regression is fine but power regression is very limited, only giving you a regression function of the form y = a x^b. Graphing calculators from the 90s can give you full quadratic equation regressions (y = a x^2 + b x + c), I’m not sure why this cannot. Another function that could be improved is the random number generator. The random numbers given are probably fine enough for most purposes, but they appear to be produced by a predetermined string, i.e. not given a “random” seed (e.g. a number from the internal clock) like a typical random number generator. You can reproduce this if you load the app on two different devices then start pressing the rand button on each, you get the same numbers!

cal. works nice ..easy for stats

Garbage. Nothing works that has to do with statistics. Waste of money.

App. Good app

RN. Absolutely useless

Don't do it. App is crap... Does not help whatsoever for statistics. Positive reviews are lies.

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Critical vals? P decimal percentage input?. Correct me if I’m wrong - and really mean this, but I cannot find anywhere that I can put in whatever quaNtile -not quartile - I want and get the associated statistic critical value for specified alpha level. I also couldn’t figure out how to do alpha divided by two for two-sided interval in order to get once again a critical value. I was forced to do .02 or .03 (because it was an incremental dial where no in-between value of .025 be put in) but not the commonly interest 95% CI critical values for my binomial proportion (2-sided) N approx. I tried to input a proportion estimate with large n an normal distributed p-hat I but it I was required to state the number of trials and number of successes. Sometimes the information doesn’t come like that. sometimes it comes in the form of a proportion directly. The setup of the app was not intuitive for me.What is the opening page with a calculator on it? I wanted simple p-values for given x AND specified significance levels; critical values for doing my CI by hand…. I wanted something quick and handy over using SAS or R for these simple summary stats. Please correct me if I have over looked some of tour calculator’s function i have no problem being corrected. It seems to have a lot of features but i cant figure anything out of what I need to do for my assignments. Is there some no Manual for your Calc? What it is nice is that it shows you a graph of your distribution - now this is very helpful that i have not seen on other stat apps. I wish such could be generated for all input/output whenever possible. This seems to be well thought out. I was surprised to see confidence intervals for proportions. However as I said before I couldn’t figure out how to get the things I needed concerning them. If corrected i will gladly change my review. I want this Calc to work for me like on an open book exam rather than SAS. Also many many thanks for not collecting data. That’s unique also to this app and you developers. I did buy the full function version perhaps that you have resources to continue to perfect it and support of what you have done thus far - very very significant even if I don’t comprehend it. It’s super reasonably priced. Thank you again for this. Sorry for the harshness of your hard work - i just don’t get it.

Don't bother. The app is useless! I want my money back! Doesn't do anything! Where are my formulas?