Set "ANS" button as option !!

Please add option in the parameters menu to continue operations from the result when we press again ➕➖➗✖️(not from the previous formula). Where is the interest to display the button "⬇️" because ➕➖➗✖️ buttons do the same action !!!?? (See example)

Keep dev ! Great app but I removed 3 stars. Update the app to get the 5⭐️

Bonus:
Full scientific mode landscape screen
Matrixes
Force Touch to switch to advanced features

Example:
If I press "1" "+" "1" "=" result will be 2 (

Guiguikitenow about Calculator +, v2.2.6