[{"data":1,"prerenderedAt":524},["ShallowReactive",2],{"project-16535358":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":35,"aspects":36,"strip":48,"post_text":49,"what":50,"said":93,"maker_in_thread":206,"shape":208,"grid":212,"attempts":482,"same_week":487,"maker_shows":43,"maker_hidden":516,"reader_version":517,"card":518},"16535358","Mathpix","Convert screenshots of equations to LaTeX","title","Show HN: Convert screenshots of equations to LaTeX","https:\u002F\u002Fmathpix.com\u002F","mathpix.com","slbenfica",1520416786,2018,456,98,32,2155,2,"legend","ai","ocr for math","desktop_app",[24,25,26,27],"latex ocr","equation recognition","handwriting to latex","math ocr","curious",0.083,{"positive":31,"neutral":32,"mixed":33,"critical":34},12,37,4,11,64,{"execution":37,"performance":39,"docs":42,"idea":44,"design":46,"pricing":47},{"positive":33,"critical":38},6,{"positive":40,"critical":41},0,3,{"positive":43,"critical":43},1,{"positive":45,"critical":40},5,{"positive":43,"critical":40},{"positive":40,"critical":43},[41,40,43,40,40,40,41,41,40,41,45,18,41,41,41,41,45,41,43,33,45,41,41,40,45,43,43,41,33,41,41,41,45,41,45,43,40,43,40,40],null,{"problem":51,"audience":63,"pricing":78,"motivation":49,"time_to_build":49,"stack":89,"openness":90,"stage":91,"team_size":92},{"value":52,"source":53,"evidence":54},"Converting equation images and handwritten math into LaTeX source.","commenter",[55,59],{"id":56,"by":57,"text":58},"16535560","brownbat","Immediately made me think of a question on the state of handwriting to LaTeX from a few years ago, and all the massive challenges involved:…",{"id":60,"by":61,"text":62},"16536230","CJefferson","Stupid question, how well would this work on a PDF of a latex document? This would be great for blind people, as pdfed latex is extremely non-accessable, and I have to email…",{"value":64,"source":53,"evidence":65},"Students, researchers and writers working with math.",[66,70,74],{"id":67,"by":68,"text":69},"16535699","brighthero","This changes everything concerning my university life for me. I always was on the verge of doing everything digitally, but it was always cumbersome to type out (La)Tex by hand…",{"id":71,"by":72,"text":73},"16537145","nicodjimenez","yes please! nico@mathpix.com",{"id":75,"by":76,"text":77},"16546384","jesuslop","I maintain an idea notebook in latex via Lyx and presently, while reading a math PDF I have to paste a screenshot in paint, clip there an equation, and paste the image in lyx.…",{"value":79,"source":53,"evidence":80},"API costs $0.005 per request, first 1000 requests free; macOS app is free.",[81,85],{"id":82,"by":83,"text":84},"16535575","howToLearnSpark","from the site: $0.005 per request, first 1000 requests are free",{"id":86,"by":87,"text":88},"16537522","yorwba","It's at the bottom of https:\u002F\u002Fmathpix.com\u002Fapi.html",[],"paid","launched","unknown",{"praise":94,"objections":126,"requests":155,"questions":183,"alternatives":198},[95,107,115],{"value":96,"source":53,"evidence":97},"Impressive accuracy on printed and simple handwritten equations.",[98,99,103],{"id":56,"by":57,"text":58},{"id":100,"by":101,"text":102},"16537254","carpe171","Just tried it out and it worked great. Nice work!",{"id":104,"by":105,"text":106},"16537474","dcchambers","This is insanely impressive. Great work. Wish tools like this existed when I was still in school...almost makes me want to go back and do some more math :)",{"value":108,"source":53,"evidence":109},"Useful for writing papers and student notes.",[110,114],{"id":111,"by":112,"text":113},"16535611","vinni2","This is great! it is very useful for writing papers. I tried it with some of my equations! It actually improved it by adding more approrpiate braces than I had.",{"id":67,"by":68,"text":69},{"value":116,"source":53,"evidence":117},"Testimonials section is funny.",[118,122],{"id":119,"by":120,"text":121},"16535776","amrrs","I'm sorry if it's off the topic. The testimonials really cracked me up. “ If I had known about Mathpix earlier, perhaps I would have had enough time to work out the Grand Unified…",{"id":123,"by":124,"text":125},"16536422","myf01d","This looks neat. Also, the Testimonials section made me laugh. Well done sir.",[127,141,148],{"value":128,"source":53,"evidence":129},"Fails on complex handwriting, multiline equations and some symbols.",[130,134,138],{"id":131,"by":132,"text":133},"16537932","dfan","I tried this on some of my (fairly neat) handwritten physics notes and it was mostly pretty impressive. Failures: a lot of lowercase deltas became 8s and it had no idea what to…",{"id":135,"by":136,"text":137},"16547455","simonramstedt","We used their API to make a simple screenshot2latex tool (select screen region -> puts latex formula in clipboard). From my experience it still fails on a couple of fairly common…",{"id":139,"by":72,"text":140},"16537968","It's not reliable at complex handwritten math yet, it does do printed advanced math pretty reliably, as well as simple handwritten math.",{"value":142,"source":53,"evidence":143},"Output spacing is poor for high quality typesetting.",[144],{"id":145,"by":146,"text":147},"16537116","cup-of-tea","So I guess I can expect to see more low quality mathematical typesetting. The technology is great, but I don't see how it will help with high quality typesetting. I can type an…",{"value":149,"source":53,"evidence":150},"Only available on Mac App Store, which is blocked in some countries.",[151],{"id":152,"by":153,"text":154},"16539520","lliiffee","Any way you could make this available outside the Mac App store? Apple seems to have decided I did something horrible and unforgivable by moving to a different country after…",[156,170,176],{"value":157,"source":53,"evidence":158},"Linux and Windows versions.",[159,163,167],{"id":160,"by":161,"text":162},"16536242","_emacsomancer_","Is there any chance of a Linux client?",{"id":164,"by":165,"text":166},"16537651","zhamisen","Cool! Any plans to port to Windows and Linux also?",{"id":168,"by":76,"text":169},"16539642","Gr8! Would love a way to apply this to PDF and web eqns in Windows.",{"value":171,"source":53,"evidence":172},"Accuracy figures on validation data.",[173],{"id":174,"by":87,"text":175},"16537822","The perfection in those examples makes me suspect that they are cherry-picked or part of the training data. Especially the handwritten text is not always clear and could…",{"value":177,"source":53,"evidence":178},"Support for PDF pages and multi-equation detection.",[179,182],{"id":180,"by":61,"text":181},"16536814","Well I was hoping it could take a while page, rather than require me to cut out the equations.",{"id":60,"by":61,"text":62},[184,191],{"value":185,"source":53,"evidence":186},"How does the conversion process work?",[187],{"id":188,"by":189,"text":190},"16535467","lowglow","This is awesome work. What's the process of vision -> latex conversion?",{"value":192,"source":53,"evidence":193},"Does it process images locally or in the cloud?",[194],{"id":195,"by":196,"text":197},"16535477","Ninn","Awesome! Is the plan for it to be free forever, or what might the pricing look like? Maybe you would consider open sourcing the model? Also it would be nice of some info on the…",[199],{"value":200,"source":53,"evidence":201},"InftyReader",[202],{"id":203,"by":204,"text":205},"16542861","mkl","InftyReader [1] does this. Its results are good but definitely not perfect. Unfortunately it is seriously expensive, at US $400 per computer. 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