calculate

[notbelievable]

No description provided.

[mateacademy-ai-mentor]

Review Summary

Your solution is approved because it cleanly meets all the functional and technical requirements for the calculator. makeCalculator returns an object with result, add, subtract, multiply, divide, operate, and reset, and result is correctly initialized to 0. The operate method properly updates result using the callback and number, and both operate and reset return this, which allows the required method chaining behavior. The arithmetic methods are implemented as object methods using the shorthand syntax and can be safely passed as callbacks to operate, satisfying the design and [CHECKLIST ITEM #3]. There are no issues like incorrect arithmetic, broken behavior, or violations of the task constraints, so there are no critical blockers. Nice work implementing a clear, chainable API that aligns well with the example usage and requirements.

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Footnotes

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