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Parens 1.5

A complete general-purpose calculator.

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Parens is a complete general-purpose calculator which provides proper order of operations, any number of parentheses, and 14 significant digits of precision displayed in floating point, fixed point, scientific notation, or engineering notation format.

It includes a complete set of basic math keys such as exponents, roots, logarithms, and trigonometry in degrees, radians, or grads. It has simple statistics such as mean and standard deviation, with convenient data list editing.

Parens also provides date & time calculations, and supports mixed-units calculation and conversion of weight, length, volume, or any other user-defined units.

This latest version includes: Colour support, new icons, and a workaround for the Palm OS floating-point bug which caused rounding errors when a subtraction reduced the number of significant digits (e.g. 123.45 - 123.4).