[OLPC library] Curly Logo / OLPC
bert at freudenbergs.de
Thu Nov 29 08:01:39 EST 2007
On Nov 29, 2007, at 12:25 , David Jones wrote:
> On 29 Nov 2007, at 10:44, Bert Freudenberg wrote:
>> On Nov 29, 2007, at 11:39 , David Jones wrote:
>>> On 28 Nov 2007, at 20:28, Ian Bicking wrote:
>>>> I notice it already has support for ÷ and ×, which coincidentally
>>>> the XO has keys for.
>>> Perhaps not such a coincidence. Part of my background motivation
>>> Curly Logo was accessibility. That led me to think that using *
>>> and / instead of × and ÷ was a barrier to understanding: before
>>> almost any computer programming language we have to explain that *
>>> denotes multiplication and / denotes division, it's just an
>>> unnecessary hurdle. Of course my keyboard doesn't have × and ÷
>>> keys. I'm sure similar thoughts occurred to the designers of OLPC.
>> Do you support "·" and ":", too? These are used for multiplication
>> and division in schools here ...
> Not yet it doesn't. But things like this are amongst the easiest
> things to add.
> Colon could be a problem as it has a very traditional meaning in
> Logo, :x means the value stored in x.
> Where is here for you?
Germany. The German Wikipedia page claims they are used more
universally than × and ÷, but I don't know how valid that is.
- Bert -
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