Spreadsheet Extension and Quantities.

[William Haynes]

I would like to use the spreadsheet extension, where the expected answers are quantities.

Is this possible?    

If I  put qty(1,"cm") into a cell, it seems to be marked as text, so "1 cm" works,  but "1.0 cm"  and "1cm" are marked as  incorrect.

Thanks,

Will

[Christian Lawson-Perfect]

Yes, it's possible!

You'll have to write a custom marking algorithm, though.

I deliberately designed the spreadsheet part type so that this kind of thing wouldn't be too difficult. I've made an example at https://numbas.mathcentre.ac.uk/question/182270/quantities-in-a-spreadsheet/. It changes the marking algorithm to parse quantities in cells, so they can be compared as quantities instead of as text.

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[William Haynes]

Thanks! That's a big help.  I'll study how you did it for the next time.

  

Will

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