Evan Lewis

1. Community
2. Classroom Tips and Tricks
3. SAT prep practice cheating

Hi Mary, Other than using a lockdown browser that prevents users from leaving the current application, there is not an easy way to disable this cheating strategy. Unfortunately, I'm also afraid tha...

1. Community
2. Technical Issues and Workarounds
3. lol.khanacademy is a version of Khan Academy from a heckathon event, and it's ruining my grades.

Hi Robert, The lol domain is an actual domain that we used for a hackathon event and testing purposes, but it isn't intended to be used by end-users. I'm not exactly sure how your account ended up ...

1. Community
2. Study Group
3. I see on my mathway calculator derivitivea

I guess I'm not sure what you mean by "can I just do the math on here and avoid doing the math from the single varuable calculus". Khan Academy doesn't have a specific single variable calculus cour...

1. Community
2. Study Group
3. How to make transcription of DNA to mRNA

You may also want to read this article (and the next article) on DNA to RNA transcription: https://www.khanacademy.org/science/biology/gene-expression-central-dogma/transcription-of-dna-into-rna/a/...

1. Community
2. Computing Platform Community Discussions
3. SQL Challenge: Gradebook

Hi Rachel, It looks like the syntax error is on the first line of your code. There should be a comma after number_grade. Fixing this should cause the error to go away, however your code still does ...

1. Community
2. Technical Issues and Workarounds
3. 2nd grade Early math 2 errors

Hi Eric, I took a look at those questions and they do have the correct answers encoded. However, it looks like the app is cutting off the rest of the answers for you. I went ahead and filed a repor...

1. Community
2. Computing Platform Community Discussions
3. I need help understanding what it is that I need to accomplish with this? And how?

For this exercise, you need to implement the subtract, multiply, and divide functions. All of those functions return 100 in the starter code, so you need to change all of the functions so that they...

1. Community
2. Computing Platform Community Discussions
3. Promises for Votes?

That is actually something that we've discussed before, but eliminating voting altogether raises the issue of program visibility. We use the votes to display programs on the Hot List, and without t...

1. Community
2. Computing Platform Community Discussions
3. Promises for Votes?

Hi Regina, Thanks for sharing your thoughts on this! I can definitely understand where you're coming from here, but from a moderation standpoint I'm just not sure that such a policy would be very r...

1. Community
2. Computing Platform Community Discussions
3. Promises for Votes?

Hi Paperwad, The Program Guidelines list the following as "Off-topic": Asking others to “vote up” a project. Garnering or receiving votes from a voting ring (groups of people who conspire to vote ...