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22

No, it would seem not, as W3C states 1.4.3 Contrast (Minimum): The visual presentation of text and images of text has a contrast ratio of at least 4.5:1, except for the following: (Level AA) Large Text: Large-scale text and images of large-scale text have a contrast ratio of at least 3:1; Incidental: Text or images of text that are part of an ...


5

well, roundness of buttons comes from the Contour Bias concept: Contour Bias is a well-studied theory that shows that humans prefer rounded objects and choices over angled ones. The more angled, the more that human brains reacted with activity in the brain associated with fear and flight. in theory, your 50% rounded button should work better, and ...


4

Use the modulo function's abbreviated name The abbreviation for modulo is mod. The letters "Mod" will fit on a calculator button, as illustrated on the right version: This particular illustration is from a Windows Phone 7 calculator design, and the image itself came from this blog post about Modernist ("flat") user-interface design. In the image the ...


4

Yes, absolutely! It's more important to design for the best user experience and efficacy than to follow design patterns. In the end, patterns just codify a set of heuristics/experiences/guidelines so they aren't a replacement or an override for proper, tailored design. For the situation you're describing, it can make a LOT of sense to add a Clear button. ...


3

If you're worried about Android's standards (which right now is Material Design), then you're using cards in a wrong way. This is why you're facing these issues. Here's from Material Design page: When to use Use a card layout when displaying content that: As a collection, comprises multiple data types (for example, the card collection ...


2

Delete is a destructive action. Some systems are good in allowing you to undo deletes (e.g. email), but majority don't have undo actions and so when something is deleted it's gone for good. Going by the principal of "poka yoke" (mistake proofing). You want to design the interface to reduce unintentional deletion of data. Having the delete action within the ...


2

The name of that button could be anything appropriate to the users you're addressing. it could be: New here? Show me Take a tour Important 3 quick things and so on. A related question you might want to ask is this: What is the name of this process of welcoming and user-instruction? This concept has a name: first experiences. First experiences ...


1

It would be helpful to have more context; What exactly is being calculated? In general, consider it bad UX if the user doesn't have the option to start a new calculation without having to reload the page. On the other hand, maybe the user would like to compare different calculations, in which case having to clear the form could be bad UX. As is with real ...


1

The entire experience of getting users into a new application and familiar with how to use it is referred to as "User Onboarding." This process can include tutorials, how-to graphics & animations, or buttons & notifications pointing out new features. This is often a first-time/one-time thing, but users can usually access the content through a ...


1

I think JeromeR has covered quite a few names for the button. We used "Get me started" for our website. The particular behaviour is often called "Web Tour" or "Guided Tour". Related JS plugin links - Bootstrap Tour , IntroJS


1

This is a water cooler. You’ve probably used one before. Notice that the taps are red and blue. What does that mean to you? If you pushed the blue tap and hot water came out, would you surprised? Is it possible that you might burn yourself? Interactive things have perceived affordances; the way they look tells us what they do and how to use them. That’s ...


1

It is better if user is in control of whether fields auto-updates on contat selection or not, hence provide a top 'Auto sync' checkbox in the fields panel. If auto sync is set, fields automatically update on contact selection, If auto sync is turned off user needs to explicitly update the fields by either double click or right-click menu button on the ...


1

I have some questions for you: Are there business drivers that you're not mentioning, such as a legal requirement to deliver something that you don't yet have? Is there a reason users need to know about the feature in advance—for example to help them prepare their data or adjust their processes? Will this inactive control reframe their mental model of the ...


1

I had a problem like this recently. The answer I came up with was this: Elements/controls must be contrast compliant when disabled as this provides vital clues to the user telling them that their task is incomplete or that certain options are selected/deselected. - In short: Yes, they need to be contrast compliant. EDIT - The following is incorrect however ...



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