This is a terminal UI as drop-in replacement for hledger add.
It improves in the following ways on hledger's add command:
Interactive as-you-type completion for account names and descriptions with optional fuzzy matching.
Integrated calculator: Amounts can be written as simple sums with real-time feedback on the result.
All actions while entering a transaction can be undone
Configurable format for date input. Instead of 'y/m/d' it is also possible to use other formats like the german 'd.m.y'.