# Can anyone help with the coding to mark answers

**URL:** <https://cl.desmos.com/t/can-anyone-help-with-the-coding-to-mark-answers/4272>\
**Category:** Questions\
**Created:** [May 5, 2022, 8:30pm UTC](https://cl.desmos.com/t/can-anyone-help-with-the-coding-to-mark-answers/4272 "2022-05-05T20:30:47Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![helenvg](https://avatars.discourse-cdn.com/v4/letter/h/c2a13f/32.png) [@helenvg](https://cl.desmos.com/u/helenvg)\
**Post date:** [May 5, 2022, 8:30pm UTC](https://cl.desmos.com/t/can-anyone-help-with-the-coding-to-mark-answers/4272/1 "2022-05-05T20:30:47Z")

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Not sure why my correct: correct isn’t right!? - last slide

Thank you in advance.

> **[Differentiation - 1st Principles • Activity Builder by Desmos](https://teacher.desmos.com/activitybuilder/custom/62741b34ecb9d663eedddb26)**
>
> by MrsJMaths

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**Author:** ![Daniel\_Grubbs](https://yyz1.discourse-cdn.com/flex031/user_avatar/cl.desmos.com/daniel_grubbs/32/719_2.png) [@Daniel\_Grubbs](https://cl.desmos.com/u/Daniel_Grubbs)\
**Post date:** [May 5, 2022, 8:49pm UTC](https://cl.desmos.com/t/can-anyone-help-with-the-coding-to-mark-answers/4272/2 "2022-05-05T20:49:01Z")

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The graph needs “readOnly: true”.

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**Author:** ![helenvg](https://avatars.discourse-cdn.com/v4/letter/h/c2a13f/32.png) [@helenvg](https://cl.desmos.com/u/helenvg)\
**Post date:** [May 9, 2022, 6:36pm UTC](https://cl.desmos.com/t/can-anyone-help-with-the-coding-to-mark-answers/4272/3 "2022-05-09T18:36:43Z")

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The last slide was the one I really wanted, but thank you for that one too!

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**Author:** ![pirsquared](https://avatars.discourse-cdn.com/v4/letter/p/4af34b/32.png) [@pirsquared](https://cl.desmos.com/u/pirsquared)\
**Post date:** [May 9, 2022, 6:44pm UTC](https://cl.desmos.com/t/can-anyone-help-with-the-coding-to-mark-answers/4272/4 "2022-05-09T18:44:36Z")

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There’s an error in your CL as indicated by the exclamation marks:  
 ![image](https://canada1.discourse-cdn.com/flex031/uploads/desmos/original/2X/5/51e4ea5769232e31fd2b255e356f2a470c048869.png)

The “OTHERWISE” error means you’ve got a “WHEN” somewhere without an otherwise, and the rogue “WHEN” is in the statement above:

 ![image](https://canada1.discourse-cdn.com/flex031/uploads/desmos/original/2X/1/1decb23080bc97d53d0a88a4b6596accf005303b.png)

Get rid of that “WHEN” and all is good again 🙂

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<div class="post-metadata">

**Author:** ![helenvg](https://avatars.discourse-cdn.com/v4/letter/h/c2a13f/32.png) [@helenvg](https://cl.desmos.com/u/helenvg)\
**Post date:** [May 9, 2022, 6:52pm UTC](https://cl.desmos.com/t/can-anyone-help-with-the-coding-to-mark-answers/4272/5 "2022-05-09T18:52:50Z")

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Thank you so much! I just couldn’t see the wood for the trees!