Top three calculators ?

[Maximilian Hohmann]

It changes, but during the last couple of weeks it must have been:

1. HP-25 Low Power Panamatik
2. "Flight Time Calculator" - a smartphone app which is the calculator most often used by me during the last years and the only one I really need, the others I only play with...
3. Sharp EL-W506X - which I got recently from eBay for 2 Euros and which is a really good everyday scientific calculator with a large and well readable display. It's two main disadvantages are the overall glossy finish (even the keys are glossy and can be hard to read depending on the lighting direction) and the display of results as fractions which requires pressing the "change" button twice to get decimal places. But maybe that can be changed somewhere?