New:
Use BigDecimal instead of Double
Add an option to convert results to scientific notation (#263)
Add an option to use modulo (#261)
Add an option to select a value instead of copying it
Add an option to split the parentheses button
Add an option to disable history (#294)
Add license to about section
Improvements:
Optimize the calculator
Replace not essential EditText by TextView
Enable symbol before decimal (#341) (@mwadle)
Scale up the back button hitbox
Update several translations
Fixes:
Cursor location (@mwadle)
Theme apply issue with amoled mode
Decimal factorial results (@muryno)
Landscape mode hides some button icons (#402)
Gray rectangle next to Settings (#420)
Formating issues (@MahmoudRH)
Many other fixes...
