Ver 3.2 (Sep. 25, 2025)

  Corrected an issue where the app screen overlapped the status bar on some Android devices.

 

Ver 3.1 (Jul. 30, 2025)

  This app has been updated to target Android 15 (API level 35) and above.

 

A new WEB page added to this site (Nov. 21, 2024)

  A page showing the output p-values of Stats tester and R language has been created.

 

Ver 3.0 (Sep. 21, 2024)

  1) [Shapiro-Wilk test (Normality test)]: Added explanation about p-value interpretation.
  2) [Help screen for each test]: The boundaries between the explanation of each test and example results were difficult to understand, so this has been improved.

 

Ver 2.2 (Jun. 12, 2024)

  Graph: The display format for each test has been unified to make graphs in dark mode easier to read.

 

Ver 2.1 (Mar. 6, 2024)

  Privacy Policy：Revised and added disclaimer.

 

Ver 2.0 (Feb. 21, 2024)

  Added dark mode.

 

Ver 1.1 (Feb. 3, 2024)

  1) Pearson correlation coefficient test: Fixed freeze in very rare data (r=0).
  2) Glossary: ​​Added correlation coefficient, regression coefficient, coefficient of determination, and correlation coefficient tests.

 

Ver 1.0 (Jan. 12, 2024)

  First release.