pcalc

Command-line programmer's calculator for hex, decimal, octal and binary math and conversion

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pcalc is a free command-line calculator aimed at programmers who work across hexadecimal, decimal, octal and binary. It evaluates full expressions with mixed bases, shows the result in each base, and supports variables, constants and standard math functions. It suits developers who otherwise reach for a separate converter when debugging or reading memory addresses and bit masks.

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