【實用工具app】Calc Zero Lite, a free unit-converting calculator|最夯免費app-綠色工廠好玩App

Calc Zero Lite is a free version of Calc Zero, a nice unit converting calculator.FEATURES:** enter numbers confidently and accurately thanks to custom key pop-up feedback;** rapidly convert common US and metric Length and Weight units;** Simple, functional, and attractive interface;** Optionally enter and display numbers as FRACTIONS (e.g., to enter one-and-a-half, press 1 [point] 1 [slash] 2);** EQUALS KEY IS OPTIONAL. If you prefer, enter operations using RPN (Reverse Polish Notation);** perform mathematical operations between compatible units (e.g., 2ft * 45.72cm = 3sq.ft);** touch and hold over Clear and Square-root keys to expose additional selectable buttons;** User-selectable settings for sound, operator entry mode, display precision, etc.Follow @iPhoneCalc on Twitter