Fair enough On Friday, February 8, 2019 at 10:35:56 AM UTC+11, Jeremy Ruston wrote: > > Hi Tony > > > 1. Could we have an "inc" or increment that adds one (or n) to its > input as this is a useful and commonly used alternative to add 1 to self?. > > I don't think it's worth adding [inc[]] and [dec[]] when we can use > [add[1]] and [subtract[1]]. > > Best wishes > > Jeremy. > > Regards > Tony > > > > On Friday, February 8, 2019 at 8:42:06 AM UTC+11, Jeremy Ruston wrote: >> >> Hi Mat >> >> Great, glad you like it! This is a new implementation that emerged from >> discussions about a different issue on GitHub (see >> https://github.com/Jermolene/TiddlyWiki5/pull/3572#issuecomment-460958193 >> ). >> >> It is a bit different than Matt’s Calc plugin < >> https://github.com/mklauber/tiddly-calc> and Evan’s Formula plugin < >> https://github.com/EvanBalster/TiddlyWikiFormula>. It doesn’t use >> conventional “postfix” maths notation (ie, the familiar stuff like (2+2)/3 >> etc.). Instead, it implements maths operations as filter operators that >> work the same way as others except that they interpret their arguments as >> numbers and numeric results are converted to strings. >> >> I went for this approach because it makes things really, really small and >> simple: by re-using all the existing filter operator infrastructure we >> avoid having to add or implement a new expression parser. On the other >> hand, it means that it isn’t much use for formulae that have been entered >> by users not familiar with TiddlyWiki’s filter syntax. We’ll still need >> plugins like those above for those applications. >> >> I haven’t quite finished the documentation, but the list of new operators >> is as follows - there are new string operators like split and join as well >> as the maths operators: >> >> *negate* - negation >> *abs* - absolute value >> *ceil* - smallest integer greater than or equal to a given number >> *floor* - the largest integer less than or equal to a given number >> *round* - the value of a number rounded to the nearest integer >> *trunc* - the integer part of a number by removing any fractional digits >> *sign* - the sign of a number, indicating whether the number is >> positive, negative or zero >> *add* - add an operand to every number in the input list >> *subtract* - subtract an operand from every number in the input list >> *multiply* - multiply every number in the input list by an operand >> *divide* - divide every number in the input list by an operand >> *remainder* - replace each item in the input list with the remainder >> when dividing that number by an operand >> *max* - replace any number in the input list larger than the operand >> with the operand >> *min* - replace any number in the input list smaller than the operand >> with the operand >> *fixed* - formats a number using fixed-point notation with the number of >> fractional digits after the decimal point given by the operand >> *precision* - returns a string representing the number to the precision >> specified in the operand >> *exponential* - returns a string representing the Number object in >> exponential notation with the number of digits after the decimal point >> specified in the operand >> *sum* - replaces the input list with the sum of all the entries >> *product* - replaces the input list with the product of all the entries >> *maxall* - replaces the input list with the maximum value of all the >> entries >> *minall* - replaces the input list with the minimum value of all the >> entries >> *length* - replaces each item in the input list with its string length >> in characters >> *uppercase* - replaces each item in the input with its uppercase >> equivalent >> *lowercase* - replaces each item in the input with its lowercase >> equivalent >> *trim* - trims each item in the input list >> *concat* - concatenates all of the items in the input list into a single >> string >> *split* - splits each of the items in the input list by a given separator >> *join* - joins all of the items in the input list with a given separator >> >> >> As usual, any comments and thoughts welcome, >> >> Best wishes >> >> Jeremy >> >> >> >> On 7 Feb 2019, at 20:42, Mat <[email protected]> wrote: >> >> Hi guys! ...in spite of my absence I do 'peek by' occasionally and I just >> noted that math operators are added to the prerelease >> <https://tiddlywiki.com/prerelease/#Mathematics%20Operators>! >> >> I just want to thank whoever is behind this (Evan?), plus Jeremy for >> including it in core! Basic math ops is one of those things that anyone >> needs either sooner or later in a utility tool like TW, so: THANK YOU! >> >> Also, anyone curious about TW should hear about this right away so it >> deserves a mention in HelloThere. >> >> IMO, "basic math" was the missing piece to fulfill the "minimum of a >> fully *general* note-taking tool" - i.e: produce text, produce images, >> do calculations. >> >> Wonderful! >> >> <:-) >> >> P.S sorry for my absence but it will continue for a while. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "TiddlyWiki" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at https://groups.google.com/group/tiddlywiki. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/tiddlywiki/1eaad72c-4e80-4999-926c-13cf7ea16ba8%40googlegroups.com >> >> <https://groups.google.com/d/msgid/tiddlywiki/1eaad72c-4e80-4999-926c-13cf7ea16ba8%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- > You received this message because you are subscribed to the Google Groups > "TiddlyWiki" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > To post to this group, send email to [email protected] > <javascript:>. > Visit this group at https://groups.google.com/group/tiddlywiki. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tiddlywiki/1f403eb9-12fe-4f61-bbc0-d275d42259aa%40googlegroups.com > > <https://groups.google.com/d/msgid/tiddlywiki/1f403eb9-12fe-4f61-bbc0-d275d42259aa%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > >
-- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/tiddlywiki. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/82252443-af94-4855-a215-b697fdf53dbf%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
