The phrase "a simple and usable" is correct and usable in written English.
You can use it to describe something that is easy to understand or use, often in the context of design, tools, or processes.
Example: "The new software interface is a simple and usable design that enhances user experience."
Alternatives: "easy to use" or "straightforward and practical".
Above all, we aim for a simple and usable design which makes your experience of Guardian Unlimited easier, more intuitive and more enjoyable.
While imperfect, it is a simple and usable classification scheme.
The time taken to complete the CPAx score has not been formally evaluated; however, it is estimated from staff feedback to take an average of around 2 minutes; this is primarily because it was designed to allow a number to be attributed to what would be considered a standard physiotherapy assessment in the UK, suggesting that it is a simple and usable measure.
Amazon does a great job of creating a simple and very usable experience and there is a reason they've cornered the reader market: they know exactly how to do it without skimping on support or quality.
Taken together, the results of the present study found Tutoring Buddy to be an effective, simple, and usable way for the caregivers to support their children's literacy development.
There are obviously lots of good ways to get music from point A to point B these days but none of them are as simple and usable as Sonos' solution and none of them offer the audio quality and compact design of these new speakers.
"We're going to keep it simple and usable but we're going to get everything in there," Mr. Yusuf said.
He noted that the effort behind Do Not Track remains the same: "Provide users simple and usable ways to signal that they don't want opaque third-parties creating profiles of their online behavior".
Float makes forecasting visual, simple and usable.
This sort of watch – pared down, simple, and usable – is just another arrow in their smartwatch quiver.
Its very simple and usable, though it doesn't seem to work well with Verizon (Verizon's fault, it appears).
