Parimental | Jheff Paul A. Lelekis often 'set-up' the audience for

often 'set-up' the audience for an even more effective knock-out blow at the climax

A beautiful production

- No electronic device

with abacus you can do this and a whole lot more

it is VERY easy to do

Parimental | Jheff Paul A. Lelekis often 'set-up' the audience for"This is a fascinating work and a tool that supplies the reader with an abundant supply of new and usable material Self working effects, based on clever mathematical principles are often a relief to perform and give you ability to concentrate fully on your presentation. Parimental explores just one such principle with some 20 different effects to choose from along with some very sound presentational advice." From the Foreword by Richard Osterlind