A_Active

open fun A_Active(Row: Calculator.Row_Type): AlphaRegisterType
open fun A_Active(Row: Calculator.Row_Type, A: AlphaRegisterType)
private val A_Active: Array<AlphaRegisterType>

Active A register for row. With Row 0

A_Numeric
Alpha register to enter and display numeric results.
A_Text
Alpha register to enter and display textual results.
A_Message
Alpha register to display messages.
A_Key
Alpha register to merge key operations.