Working with wood and imperial numbers is a real pain in the app -- but this program is a very simple lifesaver. The only problem is that there's no "welcome screen" that explains how to use it. Here's how: - if you're inputting 2 3/4 (for example) you click the "2" in the green area, the "3" in the purple area, and the "4" in the blue area -- then you can hit " " or whatever operation you need. there are better reviewed calculators but if you're really trying to deal with fractions this is the bomb. suggestion to the developer: have a "how?" button on the app (maybe to the right of the stoplights) that explains what I just wrote above and also has a link to launch your email for further questions. also, I was trying to use it by typing on a keyboard and that did not work (it made 4 1/2 into 42/2 (division operation). maybe make "command /" into the fraction operator? so I could type 4 space 1 command / 2 to input "4 1/2"? (if you do that, add it to the "how?" instructions

I often need to add a variety of different fractions when building cabinets and this app makes this task super simple. Would be great if I could see all the dimension I had entered so I can verifiy I entered them correctly versus what I do now which is add the dimension several times to verify I get the same result.

I would very much like to see a "Paper Tape" added so I can go back and see my work to make sure I didn't fat-finger an entry to comfirm the results.

re: v1.1.1 Love the idea of this. Have a similar app on my iPhone, but would be convenient to have on my Mac. Never opens. Always crashes on launch. Have contacted developer and waiting on response.Not only did they respond, they immediately gave me a workaround to use till the fix came out. This version now works without having to install fonts not needed by the OS (but installed by default with the OS). In the printing/layout industry, it’s not uncommon to pare down the installed fonts to just what’s necessary for the OS to use, and use a font manager like Extensis Suitcase Fusion for all other fonts to be enabled/disabled as needed. That practice is what caused this app to fail, it needed a font that I normally have disabled. Added the font back in and the app worked, but to my dismay, it only used the number keys above the qwerty row, not the number pad laid out like their own app’s number pad. I mentioned this to them last week after using their workaround. re: current v1.1.2 Now, less than a week later, a new version is out and not only does it not need me to install/enable specific fonts, it also has added support for the number keypad. That makes them not only helpful, but responsive to customer feedback and makes the app almost perfect, which is why I’ve changed my rating from 1 to 4. The only improvement that comes to mind now would be adding a decimal key. I know I’m constantly adding decimal numbers from a online book spine calculator to hardbound book templates from various vendors that invariably use fractions. Don’t know if many other’s need to work with decimal/fraction combinations, but I would definitely appreciate the ability. Until then, kudos for a very intuitive app and for your quick turnaround on the fix.