Crafting Beautiful Code

Bar Model

  • BarModeler Web app

    I’ve been rebuilding the BarModeler app as a Progressive Web App (PWA), designed to let students “draw” bar models by writing simple code. The goal is to encourage both visual… More.

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    1–2 minutes

  • Browsing bar model samples

    I’ve added a new feature to the BarModeler app that allows users to browse some bar model samples. There are 4 categories of samples: To select a sample, simply click… More.

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    1–2 minutes

  • BarModel Script

    BarModel script is the language used in BarModeler for specifying a bar model in Math. A bar model is described with some statements, which can be an equation statement, or… More.

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    2–3 minutes

  • BarModeler – Bar modeling by writing code!

    I’ve published an application named BarModeler to Microsoft Store. BarModeler is a tool for “drawing” bar models in Math by writing code (equations). With this tool, one describes his/her understanding… More.

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    1–2 minutes

  • BarModelMaker Script

    (I’ve developed a new app and a DSL (domain specific language) for “drawing” a bar model.) I’ve written an article introducing the syntax, the semantic model and the graphical model… More.

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    1–2 minutes

  • Parser generator and FParsec

    I’ve written a few compilers, the most visible one being the PowerBuilder .NET compiler that can compile a PowerBuilder application into either a .NET Windows Forms application or an ASP.NET… More.

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    10–15 minutes

  • BarModel Sample 2-Age Problem

    (I’ve developed a new app and a DSL for “drawing” a bar model of Singapore Maths) The following is the word problem in page 5 of Dr. Yeap Ban Har’s… More.

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    1–2 minutes

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