You might also want to consider SageMathCell, which has fewer buttons, and 
can look less intimidating at times. For example,

http://sagecell.sagemath.org/?z=eJxLV7BVSMlPSU1OzEhNKcrP09Dk5eLlStcrzsgv19AEAJBZCOs=&lang=sage

A fun example, for teaching math to younger folks, is to play with 
patterns. 

A super-easy pattern is 1 + 3 + 5 + 7 + 9 + ... + whatever = (whatever+1)^2 
/ 4

...but that super-easy pattern leads to the Fermat factorization algorithm. 

One of my favorites was

1^3 + 2^3 + 3^3 + 4^3 + 5^3 + ... + (whatever)^3 = (1 + 2 + 3 + 4 + ... + 
whatever)^2

The Sage sum command is very useful for these.

Enjoy!
---Greg 

p.s. The use of "whatever" is strategic. Many young people associate "x" 
with homework, math tests, stress, and so forth, which is a shame. 

On Monday, May 25, 2015 at 9:04:32 AM UTC-5, John Foster wrote:
>
> Is there any web based or even console based interface to all of Sage. 
> Just wondering if I missed it. I found this, it's not what I need just 
> an example: 
>
> https://mathway.com/ 
>
> I'm looking for a way for "newbies", non-programmers or students, to use 
> Sage. This includes myself as I'm not a mathematician. However my 
> youngest grandson (10) is fascinated by Sage & I feel this would help 
> him maintain that interest and grow. I also would like a process for 
> using Sage more easily myself for working in the areas of physics that 
> I'm interested in. Any thoughts on at least a symbolic entry keyboard. 
> Thanks 
>
> -- 
> John Foster 
> JW Foster & Associates 
>
>

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