Calc4M
Mobile java calculator Calc4M for basic and scientific calculations comes with lots of conversion options, the important physical constants are built in, and the user interface is simple and efficient.
The latest update lets you choose how many decimals to display, and the central navigation key now equals "=" so you don't need to long-press "#" anymore to run a calculation.
• Calc4M
GraphViewer
GraphViewer draws curves from your maths, including first and second derivatives. You can make it display multiple parametric, carthesian, and polar functions at once in different psychedelic colors.
The program now speaks 15 languages.
• GraphViewer
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