gyakusan
1. counting backwards; calculating backwards
2. inverse operation
Noun
#83200
1. counting backwards; calculating backwards
2. inverse operation
1. If calculating backwards; If working backwards
1. Probably calculated beforehand.; Probably figured out.
1. It's not calculation.; It's not working backwards.
1. If calculated backward; If working backward
1. Was calculated backward.; Was retroactively calculated.
1. It is not a calculation in reverse.; It is not back-calculation.
1. Retrospection; Calculation in reverse
1. Calculative; Retroactive
1. It is not calculation in reverse.; It is not back-calculation.