Circle and Sphere Pro 4+
Calculates all quantities
Glindemann, Sennoun, Langer GbR
Designed for iPad
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- $2.99
Screenshots
Description
This app calculates all quantities of a sphere (body of a sphere, circle, all parts of sector and segment). Therefore you must enter some variables (like the radius of a circle and the central angle). The algorithm searches the formulas of the missing quantities, shows them and calculates the results.
Decimals and fractions are supported. The solution is shown step by step. All calculations are stored in the history. The final solution can be shared.
[ Content ]
- all important quantities for the circle and sphere calculation
- formulas for all important quantities of a sphere, circle, sector and the segment
- infographic to illustrate the topic
- search bar to find the desired quantity
- history function to save input
- detailed solution
- positive numbers, decimals and fractions are supported
- no ads!
[ Usage ]
- there are several fields for entering the values using a special keyboard
- if values are missing, all fields are highlighted in orange
- if values are oppositions (like "r = 1 and d = 3"), one affected field is highlighted in red
- every value must be positive
- maximum of alpha is 360°
- beta must be less than 90°
- if a value is no number, it is highlighted in red
- the entries in the history can be deleted or sorted manually
- if you select an entry in the history, it will be loaded automatically for the calculation
- the entire history can be deleted by pressing a button
- solutions can be shared
What’s New
Version 1.18
- we added an onboarding for better explanation of the app usage
- we improved the feedback from the UI when wrong values were entered
- some optimisations for app performance and size
Ratings and Reviews
Change the units?
This app is great. The only problem I have is it’s in meters. How can I make it feet or another unit? This is pointless if all we get is meters.
Developer Response ,
Hello Batman2287, thanks a lot for your positive feedback! At the moment there is no option to change the units. But I will note it and check what I can do for the next updates. Kind regards
Great Developer & app
Works flawlessly, handy tool
Great Developer support
PS- 3rd party Google data mines everything
Developer Response ,
Hello, that is a good point. Let me explain the usage of data. It is correct that we get some data, but only for monitoring.
"Location" is only about the country. Means - we see "100 users from US; 40 from France; 20 in Germany; etc.".
We provide our apps in 11 different languages. The country data help us to see where the app is used and if some problems occur that might have something to do with language localization.
Maybe that "device ID"-thing might be another scary factor. But this only shows the difference if the app was launched the first time or if users come back. This is only a pale numbers that helps us to understand if people just downloading, open once and say "yeah, remove that s*$t" or if there is a real use.
Some information help us to understand that teachers and parents are using these apps too. At first we designed the apps only for pupils. But the data are only some simple numbers too like "40% are in age of 25-35; 20% in 36-45; etc".
The rest are crashes and some things to check if the app works properly.
"Uncontrolled 3rd parties" - we use Firebase for this. In the end it is Google who is managing this, but they say they only monitor the data. That is the only information that we get.
From our point of view we only use data to improve the service. But we use a 3rd party that is connected to Google. It is up to you if you trust Google.
I hope I was able to provide some clarity. Kind regards
Ps.
Let me tell you that I nearly get the same information from my apple developer console. So yeah ... everything the same.
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Thank you very much for updating your review. 🙏
App Privacy
The developer, Glindemann, Sennoun, Langer GbR, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Information
- Seller
- Glindemann, Sennoun, Langer GbR
- Size
- 30 MB
- Category
- Education
- Compatibility
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- iPhone
- Requires iOS 13.0 or later.
- iPad
- Requires iPadOS 13.0 or later.
- iPod touch
- Requires iOS 13.0 or later.
- Mac
- Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
- Apple Vision
- Requires visionOS 1.0 or later.
- Languages
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English, French, German, Hindi, Indonesian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish
- Age Rating
- 4+
- Copyright
- © 2021 Glindemann, Sennoun, Langer GbR
- Price
- $2.99
Supports
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Family Sharing
Up to six family members can use this app with Family Sharing enabled.