Chemicat - assistant in chemistry for students - Android Apps and Games

Hi, XDA. Please try my app which will help students with chemistry. Sorry for poor English here and in the application I will be glad your reviews.
Chemicat - is an assistant that contains a set of chemical calculators, educational materials in chemistry, as well as all the necessary background information. Chemicat able to:
- Read the molar mass substances
- Calculate the oxidation state
- Determine the mass fractions of elements in substances
- Read the electronic configuration of elements and ions
- To place the coefficients in the reactions
- Solve the chain of equations
and much more.
In addition, the app includes tests that help you in training.
All functions are available without Internet access.
DOWNLOAD
You can help to the project by purchasing the full version in market.
In full version I'm testing new features, such as problem solving and test mode ( problem solving in Real-Time from Camera (as well as in PhotoMath, but with chemistry) )
This version does not work with root.
Also I will be glad if you send the correct translation of the application on my mail : [email protected]
P.s.
If you support the author, he learned English:laugh:
XDA:DevDB Information
Chemicat, App for all devices (see above for details)
Contributors
xasaroff
Version Information
Status: Stable
Current Stable Version: 1.9
Stable Release Date: 2017-03-03
Created 2017-03-06
Last Updated 2017-03-05

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[APP][2.1+] StressLocator 1.8 - biofeedback contest

StressLocator
features
HRV measure
physical index, relaxation and concentration index.
pulse, poincare etc.
biofeedback and measure score to world topten
possibility to anonymous sending data to maps
The StressLocator Application is based on thesis by Adam Solc who studied at the Czech Technical University. His thesis focused on Heart Rate Variability (HRV) and its use in therapeutic praxis. On the basis of numerous studies is established the StressLocator Application.
Free version is for every device with camera with flashlight, this is main reason why I'm writing here.
popular new feature is world contest - you can measure your ability to increase concentration or relaxation. It's not in video .
App video (demo version)
How to install
From Google play
Please focus on usability with a camera on your mobile. Note: your finger put on the camera with flashlight but some flashlights are warm, please be carefully and measure is good when you have finger only on camera and 3mm above flashlight.
Long Description
The application is based on analysis of HRV (Heart Rate Variability). Psychosomatic values are calculated from measured data and they represent current physical strength and mental balance. Uniqueness of this application is full visualization of the mathematical background and real time graphs. It can serve to those who want to go deeper into the subject. Due to two minute measurement, the application can gather sufficient amount of relevant data, which are very precise. For the ordinary users the StressLocator offers quick explanation with some tips with what to do. Huge advantage is also an option to increase your concentration or relaxation level with the breathing trainer. The progress, a user is making is visible on screen in real time. A user can also check the outcome by new measurement at the end of breathing exercise. It all creates a system in which the user can check his current condition improve it and check it again. The StressLocator can not only monitor but can also help shift mental condition toward currently desired state.
Thank you
Petr & Adam & Sonia
XDA:DevDB Information
StressLocator, a App for the Android General
Contributors
kolmanp, kolmanp
Version Information
Status: Stable
Current Stable Version: 1.8
Stable Release Date: 2013-11-09
Current Beta Version: 1.7
Beta Release Date: 2013-11-01
Created 2013-11-03
Last Updated 2013-11-12
Reserved
topten snapshot 11/2/2013 10:00
World concentration topten
1. Petr 142 Europe CZ Prague
2. sona 100 Europe CZ Prague
3. tester1 26 Europe CZ Prague
4. Petr 20 Europe CZ Prague
5. michle 9 Europe CZ Prague
6. Kaga 8 Europe CZ Prague
7. tester1 7 Europe CZ Prague
8. Adam 0 Europe CZ Jicin
9. Adam 0 Europe CZ Jicin
10. Adam 0 Europe CZ Jicin
StressCheck bye bye
I'm using stresscheck and I think that this measurement is much better :good:. Which index is similar like stress check?
Re: StressCheck bye bye
Thank you Sona!
Stresscheck measure only one index which we called physical index. Our concentration and relaxation indexes have more mathematics complexity.
sona13 said:
I'm using stresscheck and I think that this measurement is much better :good:. Which index is similar like stress check?
Click to expand...
Click to collapse
Thank you for testing our application.
Ask
Very impressive application. I have one question.Why is not possible to measure with biofeedback immediately after start measuring?
Good question . When you start measurement of biofeedback after start you can't see how indexes are changing,
solcadam said:
Very impressive application. I have one question.Why is not possible to measure with biofeedback immediately after start measuring?
Click to expand...
Click to collapse
Very cool app - writing here to get this in my "participated"
Sent from my SM-N900T using Tapatalk 4
Error reports?
Dear testers,
Thank you everyone for testing our application! We tested that error reports work correctly but now I'm not so sure about it . We have not received any report from this or other forum about bugs. It's sound good but please, should you have any problem, report it to us. Thank you in advance for your feedback!
Petr

[APP][4.0+] Find Similar Movies

App: Find Similar Movies
Google Play Store Link: https://play.google.com/store/apps/details?id=invin.com.similarmovies
So this is a relatively basic App compared to the ones I see posted here. It's also my first App, & there's a few UI updates planned.
Short Description:
A basic App that utilizes the Rotten Tomatoes API to obtain a list of movies similar to an entered movie.
Usage: If the entered name is ambiguous, an initial list will be displayed to choose from. The selection will then be used to used to query for a list of similar movies.
No calculations are done by the App, any data displayed is data returned by the Rotten Tomatoes API.
No data is saved by the App. A search history is not maintained.
Known Limitations:
- As this is a public API, there are rate limits. Rates at the time of publishing are limited to 5 API calls per second and 10,000 calls per day.
- Newer movies may not yield any results, dependent on Rotten Tomatoes updating their databases.
Would appreciate some feedback & suggestions, pointers on improvements, etc. thanks.
XDA:DevDB Information
Find Similar Movies, App for all devices (see above for details)
Contributors
Invincible10001
Source Code: https://play.google.com/store/apps/details?id=invin.com.similarmovies
Version Information
Status: Stable
Current Stable Version: 1.0.5
Stable Release Date: 2015-01-30
Current Beta Version: 0.0.9
Beta Release Date: 2015-01-25
Created 2015-01-31
Last Updated 2015-01-31
Cool app, but I would like to see more pretty design. Good luck!

[APP][4.4+] Draw Vocabulary - Remember your vocabulary, grammar by draw, text note.

Learning a new foreign language is never easy and nowadays many of us must learn more than one language beside mother language (like me are English and Korean). Learn too much new words and new grammars make us crazy and stress, can't remember yesterday learned words or last week learned words ... This software is a new solution like a vocabulary notebook to note words and can easy see again and have more advance features:
​- Note word/grammar with color draw and short meaning to search after. With this software, learning language is like a relaxing with draw pictures.
​- Draw data is saved base vector image, can zoom unlimit, can move data to any device screen size.
- Search again words / grammars with strong full text search technical, can find any word, mean in any where.
​- Review known and unknown words.
​- Re write word and check correct, can use with touch or pen, without paper.
​- Flashcard - random words in data to review knowledge.
- View progress in learning language by statics (day by day).
​- Online search.
- Data save in sdcard (/sdcard/DrawVocabuary/) easy to copy to other device or can auto sync devices with softwares like Fordersync.
...
With a smartphone, we can bring it to any where. And this can be used in note, search in other fields like diary, ideas ....
If you like creation / draw / design, i think you will like my software.
This software using Ionic + angularjs frameworks with libraries: chartjs, angular-chart.js, fabricjs and jquery.
Google play Link: https://play.google.com/store/apps/details?id=com.codinginthebigcity.drawvocabulary
XDA:DevDB Information
Draw Vocabulary, App for all devices (see above for details)
Contributors
codinginthebigcity, codinginthebigcity
Version Information
Status: Stable
Current Stable Version: 2.2
Stable Release Date: 2016-07-03
Created 2016-07-03
Last Updated 2016-07-03

[APP][5.0+] maybe useful mathematic app for academic purposes

Hello everyone and welcome to my project, which is Advanced Maths
Basically, it all started a few years ago, when I wrote a simple app to display prime numbers. Then, from time to time, I was finding some interesting groups of numbers and creating apps to detect them. Not even for Android, just simply Java. A few weeks ago I thought why not to group all these apps into one bigger. And this is it! So let's move to the specifics:
FEATURES
Figurate numbers - check if a particular number is a figurate one or display figurate number to a particular value. Both of these features are for any number of dimensions and angles of a base regular polygon
Prime numbers - check or display
Ruth-Aaron numbers - check or display
Smith numbers - check or display
Sieve of Eratosthenes - display primes to a particular value
I'm gonna add some new features in future
DOWNLOAD
http://advancedmaths.cba.pl/app-debug.apk/
If You cannot install the app, turn on unknown sources in settings > security, or settings > applications. And if You would like to run it on Android version lower than 5.0, let me know
I hope some of You find this app useful, as I would have done in school. Please report any bug You find in my app and tell me what You think about it
XDA:DevDB Information
Advanced Maths, App for all devices (see above for details)
Contributors
Leftismer
Version Information
Status: Testing
Created 2016-07-10
Last Updated 2016-07-10
XDA:DevDB Information
Advanced Maths, ROM for the Apps & Games
Contributors
Leftismer
ROM OS Version: 4.0.x Ice Cream Sandwich
ROM Kernel: Linux 3.10.x
Version Information
Status: Testing
Created 2016-07-11
Last Updated 2016-07-11
Reserved
That looks pretty useful for non-math people. No idea what the other types of numbers were besides prime numbers. Didnt even know Smith numbers was a thing
Thanks, it is all explained in the app, what these types of numbers are

[APP][4.0+]BatteryTimeline

Battery Timeline -- A Tiny Battery State Montior!​It can record Electricity, Temperature, Voltage and generate you a polyline chart, and needn't any background!
Features:
Tiny
Record Electricity; Temperature; Voltage
Polyline chart
Beautiful UI
No AD
Needn't stay in background
Using Libraries:
materialdatetimepicker
customactivityoncrash
mpandroidchartlibrary
activeandroid
floatingactionbutton
About Me
I am a Chinese student, like programming very much. I'm learning Android develop. I have produced some apps, see list at THERE. This is my first work published on xda. My English is too bad..:silly:
FAQs
Q:This software need Root or xposed? A: Needn't.
Q:How can I report bugs? A: If app show "Oh No! App Crash!", CLick "Error details", and copy all text (click copy to clipboard) report to me. If app show nothing and exit, run Logcat and find lastest error log by application and report, thanks~
XDA:DevDB Information
Battery Timeline, App for all devices (see above for details)
Contributors
liangyuteng0927
Version Information
Status: No Longer Updated
Current Stable Version: 1.1
Stable Release Date: 2016-10-22
Created 2016-10-22
Last Updated 2016-10-22
Pretty pretty quiet…
I am the first to reply in this topic???
so bad…
And, this app is really good! Love it!
What else, you have to practice your English more…
Sent from my SM-N930F using XDA-Developers mobile app

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