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NUMBERS at a glance
NUMBERS
Numbers emerged as part of Apple's iWork suite, which offered a different design and document philosophy from Microsoft Office.
DCM at a glance
DCM
DICOM grew out of the need to exchange imaging data across scanners, archives, and clinical systems without throwing away the surrounding context that makes a medical image usable in practice.
Format comparison
| Feature | NUMBERS | DCM |
|---|---|---|
| File type | Spreadsheet | Image |
| Extensions |
|
|
| MIME type |
|
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| Created year | 2007 | 1993 |
| Inventor | Apple | ACR-NEMA / DICOM Standards Committee |
| Status | active | active |
| Primary use cases |
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| Vector scaling | Not supported | Not supported |
When to use each format
When to use NUMBERS
- Your source file is already in NUMBERS.
- Preserve source expectations before exporting to DCM.
- NUMBERS is commonly used in spreadsheet workflows.
When to use DCM
- Your target workflow expects DCM.
- Improve delivery compatibility with DCM.
- DCM is commonly used in image workflows.
FAQs
Why convert NUMBERS to DCM?
Convert to DCM when the output must remain part of a medical-imaging workflow, preserving both image data and associated study metadata.
It is the correct target for diagnostic, archival, and interoperable clinical imaging systems.
What changes when converting NUMBERS to DCM?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting NUMBERS to DCM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.