# Scientific Calculator Policy

The Khaemenes Scientific Calculator v4 is connected throughout Algebra II.

## Appropriate uses

- numerical verification;
- graph-ready calculations;
- complex-number checks;
- logarithms and exponentials;
- trigonometric values and conversions;
- regression and modelling support;
- history and reproducibility;
- exact-versus-approximate comparison.

## Required documentation

Learners should record:
1. the mathematical setup;
2. calculator expression;
3. angle mode and relevant settings;
4. exact form when available;
5. decimal approximation and rounding;
6. units and domain;
7. reasonableness or alternate verification.

Calculator output does not replace explanation, proof, domain analysis, interpretation, or correction.