ubuntu-phone team mailing list archive

[Bruno Girin <brunogirin@xxxxxxxxx>]

Hi Calum,

That's what I thought as it's the sensible thing to do, just wanted to
confirm I had understood properly :-)

Bruno

On 12/03/13 10:04, Calum K Pringle wrote:
> Hey Bruno,
>
> Yeh sorry we perhaps should have mentioned that in the blog post, when
> you press '=' you can then use operators to act on that number
> ('x','+' etc). Only by 'ripping off' the calculation do you start fresh. 
>
> Calum
>
>
> On 11 Mar 2013, at 22:44, Bruno Girin wrote:
>
>> Calum,
>>
>> I'm glad you like the ripping off idea :-)
>>
>> I have one use case that is not mentioned in the user journeys and
>> that I can do with any desktop calculator because of the way =
>> generally works. Say I wanted to calculate the following bill:
>>
>> Paper:        30
>> Biz cards:  + 50
>> Pencils:    + 20
>>           -------
>> Total:     = 100
>> VAT:       x 1.2
>> Total:     = 120
>>
>> The reason why it works on a desk calculator is that once I type =,
>> the total becomes the last number in the stack and any additional
>> operation after that applies to the total. It looks like the key
>> journeys should accommodate that but wanted to confirm that it was
>> the case.
>>
>> Cheers,
>>
>> Bruno
>>
>> On 11/03/13 14:13, Calum K Pringle wrote:
>>> Hey Bruno,
>>>
>>> Excellent idea about ripping off the history tape - love it.
>>>
>>> I think we can explore the visual treatment of the number being
>>> currently edited. The only editable number is the last entry, it
>>> might be a different colour or something too.
>>>
>>> For clearing, pressing C clears the current entry. To remove the
>>> entire calculation you swipe the tape to the side.
>>>
>>> Sorry for the delay! Think we captured this on our blogpost too
>>> : http://design.canonical.com/2013/03/app-patterns-applied-calculator-key-journeys/
>>>
>>> Calum
>>>
>>>
>>>
>>> On 4 Mar 2013, at 20:45, Bruno Girin wrote:
>>>
>>>> Hi Dalius,
>>>>
>>>> That looks good except for the following:
>>>>
>>>>   * There's no backspace,
>>>>   * The C key clears the whole calculation and starts a new one
>>>>     rather than clearing the last number entered.
>>>>
>>>> As a result of both of the above, if you make a mistake, you have
>>>> to start all over again. So you need a simple way to rip off a
>>>> calculation sheet so that you can go to the next one while not
>>>> making it a feature of the C key: what about just using that exact
>>>> touch paradigm? Pull the last calculation sheet up to rip it off
>>>> and put it on the stack?
>>>>
>>>> Another glitch is that it is difficult to see what number you're
>>>> currently editing: I understand that it's the last one on the stack
>>>> but you have to know that, there is no other indicator. If you were
>>>> to add a backspace key on the right of the number being edited a la
>>>> Jolla, that would resolve one of the problems above and act as a
>>>> marker of what number you are currently editing.
>>>>
>>>> Bruno
>>>>
>>>> On 04/03/13 20:18, Dalius wrote:
>>>>> Hi,
>>>>>
>>>>> Riccardo Ferrazzo demonstrates one possible approach for simple
>>>>> calculator mode:
>>>>>
>>>>> https://plus.google.com/u/0/107254607903065031665/posts/hYNwdXFRhvK
>>>>>
>>>>> Direct link to YouTube
>>>>> video: http://www.youtube.com/watch?v=ncZUuPgA93w&feature=youtu.be
>>>>>
>>>>> Code here for those who want to try it
>>>>> out: https://code.launchpad.net/~f-riccardo87/ubuntu-calculator-app/new-design
>>>>> <https://code.launchpad.net/%7Ef-riccardo87/ubuntu-calculator-app/new-design>
>>>>>
>>>>> Regards,
>>>>> Dalius
>>>>>
>>>>>
>>>>
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>>
>