StdCalc is an Android app developed by roaming squirrel (6F, No9, Lane 31, Rui'An Street, Da'an District, Taipei City, Taiwan 10665). Others apps created by roaming squirrel are: TechCalc, FincCalc.

StdCalc first became available on 03 Aug 2012. It is estimated that StdCalc has been downloaded between 100000 and 500000 times from the Play Store.

StdCalc 1.2.2 requires the following permissions:

Allows applications to access information about networks.

Allows applications to open network sockets.

Allows access to the vibrator.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.