This is a simple tool aimed to help users solve simple mathematic problems to improve the efficiency.
This tool is running totally on the front-end, which means the code to do the calculation will run on the client, but not the server. Please visit this site with a functionally complete modern browser.
Applying this tool to industurial production is not allowed.
Here are the tools available:
Please contact me at mizunashi [at] mizunashi.me for help or feedback.