Hi Tony > 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! >>> >>> 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. >>> 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/1f403eb9-12fe-4f61-bbc0-d275d42259aa%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. 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