Package Name:com.hyodi.serialx
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About Serial 7
Serial sevens - Descending subtraction test.
Serial 7 is a game that tests how quickly you can subtract 7 in a row from a given number.
It is a slight variation of the serial 7 subtraction test, which is one of the items on the MMSE(Mini-Mental State Examination).
A starting number between 94 and 100 is randomly selected, and you measure the time it takes until you can't subtract any more 7.
The subtraction of consecutive sevens task is used to test attention and memory, and consistent testing can help improve brain skills such as attention and memory.
It can also help prevent cognitive decline that occurs with everyday activities and reduce the likelihood of developing dementia.
They can also be used to see how an individual's cognition changes over time.
Recommended for users interested in brain health and training, and dementia prevention.
What's new in the latest 1.0.4
Last updated on Jul 20, 2025
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Gameplay and Screenshots
Serial 7 APK Information
Latest Version
1.0.4
Category
EducationalAndroid OS
Android 6.0+
File Size
23.3 MB
Developer
HFX LabContent Rating
Everyone
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