Opening the iTunes Store.If iTunes doesn’t open, click the iTunes icon in your Dock or on your Windows desktop.Progress Indicator
Opening the iBooks Store.If iBooks doesn't open, click the iBooks app in your Dock.Progress Indicator

iTunes is the world's easiest way to organize and add to your digital media collection.

We are unable to find iTunes on your computer. To download the free app Units & Constants in hand Free by Jian Lin, get iTunes now.

Do you already have iTunes? Click I Have iTunes to open it now.

I Have iTunes Free Download
iTunes for Mac + PC

Units & Constants in hand Free

By Jian Lin

Open iTunes to buy and download apps.


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: Your comments are pre will be seriously considered in future updates.

What's New in Version 1.2.3

Fixed an inApp purchase problem.

iPhone Screenshots

iPhone Screenshot 1
iPhone Screenshot 2
iPhone Screenshot 3
Units & Constants in hand Free
View in iTunes
  • Free
  • Category: Utilities
  • Updated:
  • Version: 1.2.3
  • Size: 1.0 MB
  • Language: English
  • Developer:

Compatibility: Requires iOS 3.1.2 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.