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What is the .TFM File Extension?

.TFM File Extension Description:

The file extension .tfm is a format associated with the typesetting system TeX, intended to yield systematic results on every machine of any genre, and the implementation of minimal efforts in the production of high quality reading materials. Considered as one of the better methods in coding mathematical equation, the .tfm file extension has become a popular choice in the physics and mathematics circles, which has made a considerable dent on UNIX's troff in terms of market share. Flexible enough to cater to other implementations, it has found a niche in template packages such as LaTeX.

The file extension .tfm represents the font metric of TeX, which differentiates it from TrueType (classified as outline font) by its characteristic of containing only relevant data on the font's typeset (like its depth, height and its width), with the glyph saved in another location and commonly applied by other types like PFM and AFM.

The file extension .tfm possesses all the necessary data to create TeX's DVI output, with the insertion of the glyphs handled by the viewer, or driver of the output device. Because of its compact design, the .tfm file extension is considerably smaller (by about two kilobytes) compared to other distributed font types in modern computing.

The TFtoPL contains the specifications of the .tfm file extension, which is incorporated within its source code and divided into four-byte series of words that have variable lengths. The file extension .tfm can define anywhere from 0 to 256 characters in a single file, with big endian order being applied to any field that is greater than a single byte. Ten tables comprise the .tfm file extension's body, with every table having fixed length except for the initial table.

PL is considered as the human readable counterpart of the file extension .tfm in terms of property list, because of the specific linkage of the PL and TFM type. The typesetting concept in terms of the file extension .tfm refers to the process of providing graphical representation to a textual format, via various mediums of expression.

The file extension .tfm is also applied as a form file of the Toplevel program; a compressed file of the Transform compressor (represents in base 64 images compressed files). In addition, it is also produced by the TwinsFile Merger application.

Author: Donald Knuth, Michael Bone, Twins Software, Inc., Toplevel
Author URL:
Related Applications: TeX, Transform, TwinsFile Merger, Toplevel
Common Path: User Defined


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Do you have errors with .TFM files?

The General Reason for .TFM files Errors to Occur:

When you receive errors with .TFM files you are likely having a severe Windows error - this error can be the effect of damage in your program registry and you should move to correct it right away to prevent additional corruption to the program registry. Receiving these errors puts your personal computer in danger for fatal crashes, blue screen errors and even hardware failure.

What are the Symptoms of .TFM files Errors?

.TFM files error symptoms include program lock ups, shut down or start up problems, slow computer operation, sluggish behaviour, input freezing, internal speaker beeps, problems saving program files and errors during program installation.

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How to Fix .TFM File Extension Errors    |    Scan for .TFM File Extension Errors    |    What is the .TFM File Extension?