Jian Li

RGBConv

Color Space Converter Tool.Function List:RGBa->HEX;RGBa->CMYK;RGBa->HSV;RGBa->HSL;RGBa->XYZ;RGBa->RGB;Show all of RGBa value of UIColor.You...

June 18, 2016 By Jian Li

Time Slow

Someone asked, Is the people flying on the plane younger than the people on the earth? Actually, this is a classic problem in Einstein's...

May 5, 2016 By Jian Li

Blood Type Prediction

The most well-known and medically important blood types are in the ABO group. They were discovered in 1900 and 1901 at the University...

February 24, 2016 By Jian Li

Rolling Ruler - Measure Length Easily

Rolling Ruler allows you to measure horizontal distances by flipping your device simply with surprising accuracy. Features1. Simple:...

July 30, 2015 By Jian Li

LatLon Convertor

the App provides 6 types of the location input method, and 6 types of formats.The "latitude" (Lat., , or phi) of a point on the Earth's...

December 16, 2014 By Jian Li