<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On , at 2016 Jul 13,9:56 PM, juan tolosa wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div class="">I have been considering more and more the switch from plain TeX to LaTeX. The problem is, I have scores (a lot!) of files in plain TeX that I have been produced over the years, by me, and/or shamelessly borrowed from more skilled programmers; an example: code that produces a set of problems with hints and answers, so that the hints and the answers are afterwards printed separately. Even more basic things, like matrix commands (\pmatrix{…} and the like) are not recognized by LaTeX, and are not easily translatable. So, I am still struggling with plain TeX.</div></span></blockquote></div><div><br></div><div>1. If I can handle LaTeX, which I do with a lot of help, anyone can.</div><div><br></div><div>2. Re. "set of problems with hints and answers, so that the hints and the answers are afterwards printed separately" By now, there are quite a number of packages out there that do that sort of things.</div><div><br></div><div>Regards</div><div>--schremmer</div></body></html>