Add scientific calculator with validation, tests and documentation #236

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AleksandraSieg wants to merge 1 commit into B3rou:main from AleksandraSieg:feature/scientific-calculator-java

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AleksandraSieg commented Dec 28, 2025

Hi! 😊

This PR adds my implementation of a Scientific Calculator as part of the Awesome-Calculators project.

Description

The calculator is written in Java and supports:

trigonometric functions (sin, cos, tan with asymptote warning),
logarithmic functions (log10, ln) with domain validation,
exponential function (e^x),
square root with validation,
factorial for non-negative integers.

The implementation focuses on:

clear separation of concerns,
input validation and exception handling,
educational clarity,
unit testing with JUnit 5.

Testing

All unit tests pass successfully.

Thanks for reviewing! 😊
I’m happy to make improvements or adjustments if needed.


          Add scientific calculator with validation, tests and documentation

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