In arithmetic, antiquated Egyptian duplication (likewise reputed to be Egyptian augmentation, Ethiopian duplication, Russian increase, or worker increase), one of two augmentation techniques utilized by recorders, was a methodical system for reproducing two numbers that does not need the increase table, just the capacity to reproduce and separation by 2, and to include. It decays one of the multiplicands (usually the more vast) into a total of forces of two and makes a table of doublings of the second multiplicand. This strategy may be called intervention and duplation, where intervention implies dividing one number and duplation indicates copying the different number. It’s still utilized as a part of certain ranges.