[{"data":1,"prerenderedAt":392},["ShallowReactive",2],{"project-38905590":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":5,"maker":10,"posted_at":11,"year":12,"points":13,"comments":14,"rank_in_year":15,"shown_in_year":16,"top":17,"tier":18,"category":19,"subcategory":20,"format":21,"keywords":22,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":35,"aspects":36,"strip":44,"post_text":46,"what":47,"said":62,"maker_in_thread":232,"shape":237,"grid":241,"attempts":356,"same_week":357,"maker_shows":41,"maker_hidden":385,"reader_version":386,"card":387},"38905590","scientific.place","An interactive math crossword puzzle with infinite levels","title","Show HN: I made an interactive math crossword puzzle with infinite levels","https:\u002F\u002Fscientific.place\u002Fmath-crossword\u002F","xk4rim",1704664761,2024,165,45,494,3515,15,"notable","learning_science","math puzzle game","web_app",[23,24,25,26,27],"math crossword","math puzzle","arithmetic game","drag and drop","math for kids","debated",0.11,{"positive":31,"neutral":32,"mixed":33,"critical":34},11,8,6,9,34,{"execution":37,"design":39,"idea":42},{"positive":38,"critical":33},0,{"positive":40,"critical":41},2,3,{"positive":43,"critical":38},1,[41,43,43,38,43,38,41,41,43,38,38,41,45,41,43,41,45,41,43,38,38,38,41,43,45,43,38,41,38,41,45,41,41,45,45,45,45,45,45,38],5,"Hey there! I'm the brains behind the math crossword game on my site.\n\nThis game is all about making math a little more fun – users just drag and drop numbers to fill in the blanks and move on to the next level if they get it right.\n\nLet me know if face any issues or have any suggestions! :)",{"problem":48,"audience":54,"pricing":54,"motivation":55,"time_to_build":54,"stack":59,"openness":60,"stage":61,"team_size":60},{"value":49,"source":50,"evidence":51},"Makes practicing math more fun by filling in blanks in equations","maker",[52],{"id":53},"post",null,{"value":56,"source":50,"evidence":57},"Make math a little more fun",[58],{"id":53},[],"unknown","launched",{"praise":63,"objections":92,"requests":154,"questions":200,"alternatives":213},[64,84],{"value":65,"source":66,"evidence":67},"Fun and good for kids or elementary education","commenter",[68,72,76,80],{"id":69,"by":70,"text":71},"38926758","freedomben","This is really neat! It's kind of fun to play as an adult, but it also would make for a great educational tool for elementary school students. Please understand that the reason…",{"id":73,"by":74,"text":75},"38921861","primitivesuave","Beautiful interface! This would be an excellent replacement for the traditional \"times table\" approach to teaching basic arithmetic. My only suggestion would be to limit…",{"id":77,"by":78,"text":79},"38921567","b-ryan","This is fun. I'm gonna show it to my 8 year old, who I suspect will like it, but the problems will be too difficult after just a few levels. Would be cool to have some way to…",{"id":81,"by":82,"text":83},"38922282","terrycody","This is a really fun and useful app for kids, thank you!",{"value":85,"source":66,"evidence":86},"Interface looks beautiful and clean",[87,88],{"id":73,"by":74,"text":75},{"id":89,"by":90,"text":91},"38922887","lappet","Pretty cool. I really like your website! How does the sonification of space sounds work?",[93,101,113,132,143],{"value":94,"source":66,"evidence":95},"Drag-and-drop is clunky on desktop and causes strain",[96,100],{"id":97,"by":98,"text":99},"38922580","jasfi","The reason I won't use this is because it's drag-and-drop. That's just begging for an RSI during long-term use. For desktop using keyboard shortcuts would solve this, on mobile…",{"id":69,"by":70,"text":71},{"value":102,"source":66,"evidence":103},"Too many multiplication and division by 1 make puzzles trivial",[104,108,112],{"id":105,"by":106,"text":107},"38921530","l0b0","Fun times! I realise the UX might be tricky, but having a way to input things using a keyboard would be cool. Another issue is that multiplicative identity seems to be used too…",{"id":109,"by":110,"text":111},"38921656","junar","I also think that multiplication and division by 1 should be pared down (if not eliminated). In general, it'd be nice to favor larger numbers instead of using 1\u002F2\u002F3 so much.",{"id":73,"by":74,"text":75},{"value":114,"source":66,"evidence":115},"Some puzzles have no solution or more than one solution",[116,120,124,128],{"id":117,"by":118,"text":119},"38921786","twiceaday","Seems fun. One suggestion: ensure that the solution is unique. I just got a puzzle with two solutions. https:\u002F\u002Fi.postimg.cc\u002FL5bbp2Hy\u002FScreenshot-2024-01-08-at-7-06-04-PM.png",{"id":121,"by":122,"text":123},"38921631","bongodongobob","I have a puzzle with no correct solution: https:\u002F\u002Fgcdnb.pbrd.co\u002Fimages\u002FT5vHCnVvd3Da.png?o=1 Edit: I read that as 3-x=3. I would assume that when reading up that should be the…",{"id":125,"by":126,"text":127},"38925234","rolfvandekrol","Nice! Sometimes it generates ambiguous situations, where two solutions are both equally valid. For example equation: 5 - _ = _ available numbers: 3 and 2",{"id":129,"by":130,"text":131},"38928252","mbebek","Seems like this one is broken? https:\u002F\u002Fpostimg.cc\u002FT5hVQCXd",{"value":133,"source":66,"evidence":134},"Plus and divide symbols are hard to tell apart",[135,139],{"id":136,"by":137,"text":138},"38921677","valleyer","Great game. Small bit of feedback: I'm having trouble distinguishing the + and ÷ symbols (on an iPhone SE 2nd gen.). You might consider making them clearer.",{"id":140,"by":141,"text":142},"38922373","baking","I'm having difficulty telling \"+\" and \"÷\" apart when the font gets small.",{"value":144,"source":66,"evidence":145},"Difficulty plateaus or ramps too slowly",[146,150],{"id":147,"by":148,"text":149},"38921719","mkl","I suggest making satisfied equations green (and maybe unsatisfied ones red) as you go, rather than just at the end. There are a lot of equations that are ×1 or ÷1, which is less…",{"id":151,"by":152,"text":153},"38908253","gus_massa","Are they randomly generated or you have a curated list? The difficulty increase too slow, but after 10 puzzles it starts to get tricky.",[155,164,172,179,185],{"value":156,"source":66,"evidence":157},"Keyboard input support",[158,159,160],{"id":105,"by":106,"text":107},{"id":69,"by":70,"text":71},{"id":161,"by":162,"text":163},"38921975","o11c","Regarding arithmetic games, I much prefer https:\u002F\u002Fwww.chiark.greenend.org.uk\u002F~sgtatham\u002Fpuzzles\u002Fjs\u002Fkeen.html At least half of that preference is the ability to use keyboard…",{"value":165,"source":66,"evidence":166},"Save progress and keep state across refresh or back button",[167,168],{"id":105,"by":106,"text":107},{"id":169,"by":170,"text":171},"38924122","kuboble","Very nice simple puzzle game! I think the game would be much more enjoyable if you have curated levels rather then getting them randomly generated. Also it seems that my progress…",{"value":173,"source":66,"evidence":174},"Show current level number",[175],{"id":176,"by":177,"text":178},"38923552","closetkantian","Would be nice to know what \"level\" you're on.",{"value":180,"source":66,"evidence":181},"Curated levels or difficulty control",[182,183,184],{"id":169,"by":170,"text":171},{"id":77,"by":78,"text":79},{"id":69,"by":70,"text":71},{"value":186,"source":66,"evidence":187},"Score or completion counter",[188,192,196],{"id":189,"by":190,"text":191},"38927398","LoveMortuus","I would like to see somewhere just a counter of how many I have finished, so that I could compete with my coworkers!",{"id":193,"by":194,"text":195},"38924856","zakokor","Congrats! and Well done! Feedback: A points system would be great.",{"id":197,"by":198,"text":199},"38923474","manlobster","Great! Love it! Could you add a way to race other people to solve the puzzles?",[201,205,209],{"value":202,"source":66,"evidence":203},"Are puzzles randomly generated or curated",[204],{"id":151,"by":152,"text":153},{"value":206,"source":66,"evidence":207},"Will the code be published online",[208],{"id":105,"by":106,"text":107},{"value":210,"source":66,"evidence":211},"How does the sonification of space sounds work",[212],{"id":89,"by":90,"text":91},[214,218,225],{"value":215,"source":66,"evidence":216},"Keen from Simon Tatham's Portable Puzzle Collection",[217],{"id":161,"by":162,"text":163},{"value":219,"source":66,"evidence":220},"KenKen",[221],{"id":222,"by":223,"text":224},"38926597","imglorp","I was going to suggest changing to the Ken Ken convention, which uses '\u002F' instead. Much easier visually.",{"value":226,"source":66,"evidence":227},"Sudoku",[228],{"id":229,"by":230,"text":231},"38931892","pacifika","This is really good. It reminds me of sudoku.",{"comments":43,"answered":43,"key":233},[234],{"id":235,"text":236},"38908618","Hi! They are randomly-generated but in a controlled way (e.g. I tell it to make 1 equation with 1 option, or 5 equations with 8 options for some level). I've made the first few…",{"commenters":238,"max_depth":41,"maker_replies":43,"first_comment_mins":239,"lifespan_hours":240},37,385,314,[242,244,246,248,252,253,256,258,260,265,267,271,273,274,277,278,279,280,282,286,289,291,293,295,298,302,303,305,307,309,311,314,315,317,321,323,325,329,332,334,336,341,345,349,353],[105,38,41,243,106,38],"project\u002Fmixed\u002Fexecution",[109,38,43,245,110,38],"project\u002Fcritical\u002Fexecution",[247,38,43,245,148,38],"38921731",[249,38,38,250,251,38],"38925481","commenter\u002Fneutral\u002Fexecution","NiloCK",[147,43,43,245,148,38],[254,43,38,255,152,38],"38925767","commenter\u002Fneutral\u002Fdesign",[117,40,41,257,118,38],"project\u002Fneutral\u002Fexecution",[136,41,41,259,137,38],"project\u002Fmixed\u002Fdesign",[261,262,41,263,264,38],"38922724",4,"project\u002Fneutral\u002Fdesign","anatnom",[161,45,43,266,162,38],"project\u002Fcritical\u002Fdesign",[268,45,38,269,270,38],"38923931","other\u002Fneutral\u002Fnone","wordpad25",[272,45,38,269,162,38],"38929161",[176,33,41,263,177,38],[69,275,45,276,70,38],7,"project\u002Fpositive\u002Fdesign",[73,32,41,259,74,38],[140,34,43,266,141,38],[222,34,41,263,223,38],[77,281,41,243,78,38],10,[283,31,45,284,285,38],"39073675","project\u002Fpositive\u002Fnone","rooster8",[189,287,41,288,190,38],12,"project\u002Fneutral\u002Fnone",[121,290,43,245,122,38],13,[292,290,38,250,110,38],"38921645",[294,290,38,250,106,38],"38921649",[296,290,38,297,148,38],"38921847","commenter\u002Fneutral\u002Fdocs",[299,300,41,288,301,38],"38924658",14,"pmontra",[97,17,43,266,98,38],[169,304,41,243,170,38],16,[197,306,45,284,198,38],17,[129,308,43,245,130,38],18,[310,308,38,250,148,38],"38934738",[151,312,41,313,152,38],19,"maker\u002Fneutral\u002Fnone",[235,312,38,313,10,43],[316,312,41,313,148,38],"38922368",[318,319,45,284,320,38],"38930977",20,"tamiral",[125,322,43,245,126,38],21,[89,324,45,276,90,38],22,[326,327,41,259,328,38],"38923511",23,"chaosprint",[193,330,45,331,194,38],24,"maker\u002Fpositive\u002Fnone",[81,333,45,284,82,38],25,[229,335,45,284,230,38],26,[337,338,45,339,340,38],"38921545",27,"project\u002Fpositive\u002Fidea","nadermx",[342,343,45,284,344,38],"38927523",28,"therealfiona",[346,347,45,284,348,38],"38922932",29,"alabhyajindal",[350,351,38,269,352,38],"38922482",30,"diyseguy",[354,351,38,269,355,38],"38922581","recursive",[],[358,363,367,372,376,380],{"id":359,"name":360,"points":361,"category":362},"38901504","Nino",810,"productivity",{"id":364,"name":365,"points":366,"category":362},"38876707","time",758,{"id":368,"name":369,"points":370,"category":371},"38906989","HTMX Playground",482,"dev_tools",{"id":373,"name":374,"points":375,"category":371},"38915999","Auto Wiki",183,{"id":377,"name":378,"points":379,"category":19},"38869672","sip-to-webrtc",154,{"id":381,"name":382,"points":383,"category":384},"38902042","Quickwit",145,"data",false,"v2",{"id":388,"name":5,"line":6,"ai":385,"cat":19,"year":12,"points":13,"comments":14,"rec":28,"s":29,"top":17,"kw":389,"maker":10,"domain":5,"tier":18,"attempts":38,"strip":390,"url":9,"mix":391,"praise":65,"objection":94,"sub":20},38905590,[23,24,25,26,27],"3110103310035313531000315103035335555550",[31,32,33,34],1794036647844]