Convert XLS to TNS

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Using the TI CellSheet Converter utility provided by Texas Instruments, it should be possible to transfer simple spreadsheets saved in Microsoft Excel format (.xls, .xlsx) to your TI device, including TI-NSpire, which is what xls to tns conversion achieves. For other graphics calculators, the utility will convert it to other format suitable on that specific device.

Open XLS file    Open TNS file