What they said
...a practical application by sheer design. 3 Numbers has an old-world navigation appearance, which is quite elegant, [....] So what can you do with 3 Numbers? Certainly more than 3 things...Jennifer Beam, AppCraver
...dressed up with richer golden tones, cogs, green buttons, and more ornate layouts. Most interesting is the app's multi-functional approach...Jeremy Horwitz, iLounge
...more than just a pretty face, [....] it has some unique features, such as being able to keep up to 3 numbers in a holding area for future use, writing notes to accompany calculations, and being able to access those notes from any Bonjour-enabled computer on your wireless network.Steve Sande, The Unofficial Apple Weblog