Blue sky, white cloud, and green mountain ...

   Screenshots of a nice utility app for android - https://imgur.com/a/KmDdJ

   A full-free, clean, and lightweight enough app on Google Play

   Google Photos for a nice utility app for android

   XDA-Developers Forum

   A lightweight enough yet accurate enough converter app the pkg size of which is only 0.08 MB

   This clean app requires almost NO 'Application Permissions' at all. https://imgur.com/a/KmDdJ



   The android app is so lightweight that its pkg size is only 0.08 MB.  https://imgur.com/a/9GvDT

   This clean app requires almost NO 'Application Permissions' at all. https://imgur.com/a/KmDdJ

   A lightweight enough yet accurate enough converter app the pkg size of which is only 0.08 MB

   Google Photos for a nice & free app for android

   The android app is so lightweight that its pkg size is only 0.08 MB. https://imgur.com/a/9GvDT

   Google Photos for a nice mobile app - https://goo.gl/photos/94PhYU7fyBt6b2hQA

Mountain Top

   More scenery pic,   Nice app for android,   XDA-Developers

   So lightweight app,   App screenshots,   XDA-Developers

A lightweight enough yet accurate enough converter app the pkg size of which is only 0.08 MB

Spring, flower, and a hardworking bee

-------------------------------------------------------------------------------------------------------------------------------
  XDA Developers --- https://forum.xda-developers.com/general/paid-software/app-4-0-unit-converter-max-precision-t3651304

   -------------------------------------------------------------------------------------------------------------------------------
  A nice & full-free utility app for Android ---
  https://play.google.com/store/apps/details?id=xadave.SmartUnitConverterFree_Google

A secret of the stock calculator app of my Android phone

As you know, sometimes we need some scientific calculation functions, such as sin,cos,tan,log,exp,power,etc.

But we shall fail to find these functions in the stock calculator app of our mobile phones when the app is in standard mode.  :-(

If you rotate mobile screen to landscape mode, the stock calculator app will become a scientific calculator, which supports those advanced functions, soon.  

It's awesome. :-)

Google Photos: https://goo.gl/photos/94PhYU7fyBt6b2hQA
Google Photos: https://goo.gl/photos/wMPmXD2HrB21HFFC9