InstantCalc is an infix calculator, and as such, it is ideal for simple and sophisticated calculations. It comes with a full featured math engine, including a Newton solver, numerical integration and differentiation, and other numerical methods. It does lazy percenting and handles fractions, knows atomic weights, and has a currency table that can be updated via download from the server of the International Monetary Fund.
Typora is a free to use minimal markdown editor for Mac.
It helps you write beautiful documentation, notes using plain text.
Write and process documents with mathematical content.
Convert your PDF documents to various files formats.
Scapple is a note taking program designed for Mac.
Create, edit, and print text documents on your Mac.
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