1. The navigation speed unit “Knot" has been added in [speed conversion] 2. Fixed several bugs

1 . The temporary cache of "input data" is added. After closing a work and opening it again, the last input data will be retained 2 . Fixed a bug that caused ghosting in the "converted display area"

1 . When searching for currency, change the "return" button in the lower right of the keyboard to "done" 2 . The unit of "electron volt" is added in [ex energy]

Fixed some bugs that might crash

1. Some UI adaptations are made to the iPad 2. Fixed some interactive bugs in IOS 12 and below

1. In [Currency], four currencies have been added: bitcoin, gold, silver and platinum 2. In [Currency], Fixed bug that the "favorite button" could not be clicked 3. In [UI Size], fixed the bug that "user defined size input box" could not edit the value 4. In [Weight], the unit of "ounces" is subdivided into: Avoirdupois Ounces, Troy Ounces and Apothecaries Ounces 5. Optimized a little UI detail

1. The visual design of "conversion interface" is optimized 2. Adapted to Japanese 3. Fixed some bugs

1. Add four conversion functions of [Fuel Mileage], [Mol Concentration], [Mass Concentration], [Mass Fraction] 2. Increased the trigger area of the [currency] button 3. The interaction mode is optimized

1. Optimized currency exchange function 2. Icon is added to the list in the interface of [Custom Settings]

Fixed the computational bug of currency conversion

1. In the keyboard, sound feedback is added 2. In the currency conversion function, the text "refresh time" is added 3. Some interaction details have been optimized

1. Added [energy converter] 2. App adapts to English 3. "My collection" has been added in [Currency converter] 4. Fixed some bugs