COPYRIGHT CERTIFICATE OF ANTERIORITY
To whom it may concern
The Simple Subtraction Book
- Owner: MISTER DENNIS BRAMWELL
- Certificate Status:
- Copyright Number: DEP634425317306562500
- Deposit Date: 6/1/2011 1:28:50 PM
- MD5: 01l8D7lbo8fnxu5yIFSUuw==
Simple subtraction method based on an idea named Vedric Subtration which was developed by Dr Dennis Bramwell to enable young pupils subtract very large ordinary numbers easily.
This certificate provides signature and time-stamping associated with a official public notary + provides a proof that is indisputable.