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The C++ Mathematical Expression Library (ExprTk) is a simple to use, easy to integrate and extremely efficient and fast mathematical expression parsing and evaluation engine. The parsing engine supports various kinds of functional, logic processing semantics and is very easily extendible. ... [More] http://www.partow.net/programming/exprtk/index.html Mathematical operators (+, -, *, /, %, ^) Functions (min, max, avg, sum, abs, ceil, floor, round, roundn, exp, log, log10, logn, root, sqrt, clamp, range) Trigonometry (sin, cos, tan, acos, asin, atan, atan2, cosh, cot, csc, sec, sinh, tanh, d2r, r2d, d2g, g2d, hyp) Equalities, Inequalities and Assigment (=, ==, , !!=, , >=, :=, <-) Boolean logic, conditional statements and while-loop construct (and, or, xor, not, nand, no [Less]

Yaffs (Yet Another Flash File System) is an open-source file system specifically designed to be fast, robust and suitable for embedded use with NAND and NOR Flash. It is widely used with Linux, RTOSs, or no OS at all, in consumer devices. It is available under GNU Public License, GPL, or on commercial terms from Aleph One.