A simple and convenient unit convert with constant lists. Get conversions for all units simultaneously, and use entire display height to show information.

Features (some applicable to full version):

• Constant lists including physical, chemical and nature constants.

• Convert simultaneously all units of the same type.

• Use the entire height of ipad display to show units. • Pop-up number keyboard only shows up when needed.

• Spectroscopy units are also included other than commonly used units, enable the conversion between wavelength, wavenumber, photon energy, and light frequency.

• If you find any bugs/issues, or have any suggestions, please feel free to tell me in your comments or email to the support: lj_yang97@hotmail.com Your comments are pre will be seriously considered in future updates.