PRO Calculator + Widget 21 themes
THE KEY FEATURES:
- 21 motifs
- widget
- lockscreen widget features (Android 4.2)
- history stores the last 30 results
- resizeable widget (Android 3.1 and later)
- changing fonts size
- setting precision the expression
- no ads
- percentage

IF YOU LIKE THIS APP PLEASE RATE IT.
IT MOTIVATES US TO FURTHER IMPROVE THE APP AND WORK ON NEW INNOVATIVE FEATURES.
THANK YOU IN ADVANCE

FEATURES:
- subtraction
- addition
- multiplication
- division
- parenthesis
- division
- percentage
- square root
- log logarithm
- mod remainder of division
- ln natural logarithm is the logarithm to the base e
- power
- sin
- cos
- tan
- memory copy paste you can copy and paste for example from SMS
- parenthesis
- vibration
- pi constant
- e constant

INTERFACE :
- 21 motifs (holo dark and light purple green standard black transparent blue transparent grey transparent white sky blue)
- history (stores the last 30 results)
- ability to disable/enable extra bar (Fn MR M+ %)
- different decimal separators
- different thousand separators
- changing fonts size
- setting precision the expression
- actions in the history menu (delete copy equation copy expression copy result)
- lockscreen widget (Android 4.2)
- resizeable widget (Android 3.1 and later)
- option show subscripts
- option show superscripts (it shows the current result)
- option vibration

NOTE
-If the calculator no longer responds to the buttons remove the widget from the homescreen and put it again into your homescreen.