Frink is a practical calculating tool and programming language designed to make physical calculations simple and to ensure that answers come out right. It tracks units of measure (feet, meters, kilograms, watts, etc.) through all calculations, allowing you to mix units of measure transparently.
Write and process documents with mathematical content.
Typora is a free to use minimal markdown editor for Mac.
Create, edit, and print text documents on your Mac.
It helps you write beautiful documentation, notes using plain text.
Convert your PDF documents to various files formats.
Scapple is a note taking program designed for Mac.
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