I want to teach my 10 year old son some simple programming. Can anyone suggest a simple problem I could get him to solve using the 35s that has enough steps to be fun?
Daniel
Good puzzle for kids to solve on 35s?

09172013, 08:09 AM
I want to teach my 10 year old son some simple programming. Can anyone suggest a simple problem I could get him to solve using the 35s that has enough steps to be fun? Daniel
09172013, 09:07 AM
Fibonacci numbers  How little rabbits are made? :o ;)
09172013, 09:20 AM
How about guess the number, 1100? The calculator generates a random number and he tries to guess it, and it tells him how many guesses it took when he gets it. This has the added advantage of teaching him about a binary search.
09172013, 09:27 AM
And you can do the reverse game, have your son guess a number between 1 and 100 and the calculator try to figure out the number. Perhaps the simplest program is having the calculator add integers from 1 to a specified upper limit and then comparing the result with Gauss's formula n(n+1)/2. Namir
09172013, 09:33 AM
All I can think of is finding areas of (simple) geometric shapes like the circle, rectangles, ellipses, and right triangles.
09172013, 09:54 AM
Daniel
If I may suggest a modification to the suggestion by Csaba  population dynamics  w an emphasis on intersecting populations. The following URL(s) are very informative;
09172013, 11:05 AM
What is the link to that HP25 listing please? Namir
09172013, 11:26 AM
Namir
09172013, 11:57 AM
Quote:"Three New Pocket Calculators : Smaller, Less Costly, More Powerful" from November 1975 HP Journal.
09172013, 12:16 PM
Didier Yes ... THANKS! SlideRule
09172013, 05:52 PM
Two games I can recommend are the wellknown 'Nimb' found in HP25C, HP33E and HP34C program manuals or here in MoHPC's Program Library or 'Sum of Digits Game' from the HP Digest article 'How Programmable Calculators Help Kids Learn.' Edited: 17 Sept 2013, 5:53 p.m.
09182013, 10:40 PM
It may be too advanced for a 10 year old, but finding prime factors of a number is fun too. 
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