# NDT Calculation User Guide

## What is the NDT Calculation Module?

The NDT Calculation module provides calculation tools and formulas for Non-Destructive Testing (NDT) operations. This module helps perform NDT-related calculations, analyze test results, and ensure accurate data processing for quality control.

## Getting Started

To access NDT Calculation:
1. Login to the system
2. Click on **NDT** in the main menu
3. Select **NDT Calculation** from the submenu

## Key Features

### Primary Functions
- **Calculation Tools**: Perform NDT-related calculations
- **Formula Library**: Access NDT calculation formulas
- **Data Analysis**: Analyze NDT test data and results
- **Result Processing**: Process and validate calculation results

### Secondary Functions
- **Template Management**: Use pre-built calculation templates
- **Documentation**: Maintain calculation procedures and records
- **Report Generation**: Generate calculation reports
- **Validation**: Validate calculation accuracy and results

## How to Use

### Performing Calculations
1. Click **"New Calculation"** button
2. Select calculation type and method
3. Enter input data and parameters
4. Choose appropriate formulas
5. Execute calculation
6. Review and validate results
7. Save calculation record

### Calculation Types
- **Radiographic Calculations**: RT exposure and geometry calculations
- **Ultrasonic Calculations**: UT velocity and thickness calculations
- **Magnetic Particle Calculations**: MT field strength calculations
- **Penetrant Calculations**: PT sensitivity calculations

### Data Management
1. Review input data accuracy
2. Verify calculation parameters
3. Validate calculation results
4. Document calculation procedures
5. Generate calculation reports

## Best Practices

### Usage Guidelines
- ✅ Verify input data accuracy before calculation
- ✅ Use appropriate formulas and methods
- ✅ Validate calculation results
- ✅ Document calculation procedures and results

### Quality Assurance
- ✅ Check calculation accuracy and precision
- ✅ Verify formula selection and application
- ✅ Monitor calculation trends and patterns
- ✅ Regular review of calculation procedures

## Troubleshooting

### Common Issues
1. **Calculation errors**: Check input data and formula selection
2. **Invalid results**: Verify calculation parameters and methods
3. **Formula issues**: Contact NDT supervisor for resolution

### Getting Help
- Contact the NDT department for technical support
- Consult NDT calculation procedures and standards
- Check calculation formulas and methods