# General

- [Total cost of ownership (TCO)](https://docs.sevenpens.com/drawtab/guides/general/total-cost-of-ownership-tco.md): How much it really costs to own a drawing tablet
- [Model names vs model numbers](https://docs.sevenpens.com/drawtab/guides/general/model-names-vs-model-numbers.md)
- [Finding the model number of your drawing tablet](https://docs.sevenpens.com/drawtab/guides/general/finding-tablet-model-number.md)
- [Finding the model number of your pen](https://docs.sevenpens.com/drawtab/guides/general/finding-pen-model-number.md)
- [Using older drawing tablets](https://docs.sevenpens.com/drawtab/guides/general/older-drawtabs.md)
- [Electromagnetic Interference](https://docs.sevenpens.com/drawtab/guides/general/electromagnetic-interference.md)
- [Connecting multiple drawing tablets at the same time](https://docs.sevenpens.com/drawtab/guides/general/connecting-multiple-drawtabs.md)
- [Matching pen tablet size to monitor size](https://docs.sevenpens.com/drawtab/guides/general/pen-tablet-monitor-size.md)
- [Using extra-large pen tablets](https://docs.sevenpens.com/drawtab/guides/general/extra-large-pen-tablets.md)
- [Using large pen tablets](https://docs.sevenpens.com/drawtab/guides/general/large-pen-tablets.md)
- [Transferring files between devices](https://docs.sevenpens.com/drawtab/guides/general/transferring-files.md)


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