Calculate84 4+

Century Light LLC

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Description

A MODERN GRAPHING CALCULATOR ON THE MAC
1. Fast, Interactive Touch-Screen Graphing
2. Everything is where you’d expect it to be
3. Scrollable windows (no more spamming the up arrow keys)
4. Intelligent error messages
5. Convenient

WHY MAKE ANOTHER GRAPHING CALCULATOR APP?
1. We (the creators), once relied on graphing calculators, and after installing countless, similar apps, we couldn’t find anything useable. Hence, we made our own.

2. Before launching on the App Store, we personally worked with a limited, yet sizable, number of students to continuously improve the app.

HOW TO SEND FEEDBACK
1. Press the red feedback button.

Nouveautés

Version 1.9.9

Bug fixes and performance improvements.

Notes et avis

4,8 sur 5
117 notes

117 notes

Too kool for school. ,

Great calculator but some bugs

This calculator is a great way to avoid spending $120-$200 on a Ti84 calculator. However I have found some bugs when it come to running some of the statistic test such as 2propztests etc. however for the majority of your functions, you can’t get a better calculator. -response to developer: The errors I found were in the statistics tests under “STAT —> TESTS”: 3,4,6,9,0,B,and E. Basically any distribution with 2 samples or lists would not provide z score, p value, etc or necessary test statistic/parameters. (It would merely summarize the data I entered and not provide the solution.) -2nd response: Here’s one but I won’t do one for all the tests I listed as they run on similar principals. 2-sampleZtest Standard deviation 1: 4 Standard deviation 2: 5.1 X bar 1: 13.6 N1: 200 X bar 2: 11.6 N2: 11.6 Null hypothesis: not equal to mu ——- Expected answer: Z=4.36… P=1.28…* 10^-5 X bar 1 : 13.6 X bar 2: 11.6 N1: 200 N2: 200 ——— Received answer: It used to summarize the entered data but now appears the same p and z values are now presented. Thanks for resolving the issue.

Réponse du développeur ,

👍 glad the bugs got resolved!

Tactical-Nawhal ,

THE BEST, PERIOD.

I’m a 3rd year mechanical engineering undergrad, and holy lord crap this is the greatest thing since Betty White.

1. It feels good
I’ve dealt with many apps that have claimed to be this, or have tried to be this, but this is the first that actually feels like I’m using a graphing calculator. As someone who swears by TI-84, it’s incredibly intuitive and has lots of added features to make it more user friendly. They did a really good job of incorporating the power of smartphone to augment the traditional TI-84 experience.

2. Responsive developers
When I first got this app it was still a work in progress, and I sent in feedback asking for them to add matrix functions. Not long after, the UI for handling matrices is by far the best from any calculator I’ve ever used.

3. Portability
It is still a phone app, so it’s not a perfect remedy for having a physical graphing calculator in every situation, like tests. That being said, nothing beats leaving your clunky calculator at home as you go to classes. I use this app so much more than I do my actual TI-84, which I regret spending over $100 on!

The hobbit eman ,

good but missing a lot of important stuff.

so overall this is a pretty good graphing calculator emulator for your phone. I like how it vibrates when you hit buttons on it to let you know that you actually hit the button. so far the answers it gives all seem to be correct also. unfortunately, it is missing a lot of important things. It can do linear regressions, but no other types of regressions. I assume the developer is working on adding those but they should really be near the top of the list. they are part of basic pre-calc so they should be added asap. I will say that as of right now it is definitely the best one available for free because the other ones lock literally everything behind paywalls but still let you download it for free which just seems like a scummy way of boosting downloads. if you add in regressions, i’ll bring my rating up, but it wont be 5 stars until all commands are available.

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Le développeur Century Light LLC a indiqué que le traitement des données tel que décrit ci‑dessous pouvait figurer parmi les pratiques de l’app en matière de confidentialité. Pour en savoir plus, consultez la politique de confidentialité du développeur.

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