Download of Woo-Dentaku 2.2.2 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The software lies within Productivity Tools, more precisely Calculators. This free Mac application was originally designed by ITO SOFT DESIGN Inc.
From the developer:
Pocket Calculator Woo-Dentaku is a simple and customizable calculator. The utility allows you to share calculations between iOS device and Apple Watch. The application handles two sales tax rates and two tip rates. You have the ability to customize the key assign.
You may want to check out more Mac applications, such as iUnit OSX, convert or RPN Calculator, which might be related to Woo-Dentaku.