sokusan
1. rapid calculation
Noun
#158370
1. rapid calculation
1. Rapid calculation; Quick calculation
1. Quick calculation; Mental arithmetic
1. If calculation; When calculation
1. Is not quick calculation.; Is not a fast calculation.
1. Not quick calculation; Not mental arithmetic
1. Wasn't quick calculation.; Wasn't mental arithmetic.
1. Quickly calculating; Calculating rapidly
1. Was quick calculation; Was mental arithmetic
1. Wasn't mental calculation.; Wasn't quick calculation.