【實用工具app】Calcva|最夯免費app-綠色工廠好玩App

Hi, I am Calcva, your personal calculation assistant. I provide different calculation services for you in one app. My features include:- Simple and elegant design for casual users.- Include extra trigonometric functions for pro users.- With my "natural input engine", you can key in the equation just as same as you write on the paper.- All my calculation follow maths rule, such as order of operation.- Two modules are already included in the app, which are "Area calculation" and "Tip calculator"- I learn new skills constantly. New modules will be added frequently.Please search my name (Calcva) and contact me in Facebook and Twitter. Leave your comment and help me improve my services to you!Find me on Facebook and Twitter, or you can email me (calcvaapp@gmail.com) if you encounter any problem of my services.