The following lists the functions that are NOT in SQLite3 (unless they are differently named) I'd like to use; the <i>Comment</i> column explains showing * are the function in <i>extension-functions.c</i> that I'd like available. <b>ExtnFunction</b>|<b>Comment</b> atanh|* atn2| exists as <b>atan2,</b> charindex| cot|* coth|* difference| leftstr| lower_quartile| ltrim| median| mode| padc| padl| padr| proper|* assuming that this capitalises first letter of word - initial or following space and lowercase all others replace| reverseā£| assuming that this rotates a string rightstr| rtrim| sign|* square| strfilter| trim|* assuming this removes leading/trailing & embedded blanks upper_quartile| variance|