# Introduction

If you are at all interested in the innards of TeX’s DVI files you might find the following article of some help – a quick post, in the form of a PDF, deriving the values of num = 25400000 and den = 473628672.

If you are at all interested in the innards of TeX’s DVI files you might find the following article of some help – a quick post, in the form of a PDF, deriving the values of num = 25400000 and den = 473628672.