This package contains two files with macros. The first contains a macro to test an input string if it represents a valid number for TeX. The second checks if an input string is a valid dimension for TeX. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 3 of the License. The package consists of the following files: ifisinteger.tex -- 1st macro file ifisdimension.tex -- 2nd macro file ifis-macros-doc.pdf -- instructions ifis-macros-doc.tex -- the source of ifis-macros-doc.pdf README -- this file Copyright (C) 2024 Udo Wermuth (author) u dot wermuth (at) icloud dot com