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Create a command-line tool /app/bin/fxcalc that performs exact fixed-point decimal arithmetic using a custom…

Create a command-line tool /app/bin/fxcalc that performs exact fixed-point decimal arithmetic using a custom…: a task in TermGrade Environments: 1,004 executable Linux tasks (Harbor dataset). Input Format (stdin): - A sequence of lines, each containing exactly one operation. - Lines are separated…

The task

**Input Format (stdin):** - A sequence of lines, each containing exactly one operation. - Lines are separated by LF (`\n`). - Empty lines (zero-length after stripping) are ignored and produce no output. - Lines starting with `#` (after stripping leading whitespace) are comments and produce no output. - Non-empty,…

Part of ai-and/termgrade-environments.