If you want to build an offline calculator that doesn't require dynamic content or multiplayer, you can use webassembly and embed it into a website like I do he

If you want to build an offline calculator that doesn't require dynamic content or multiplayer, you can use webassembly and embed it into a website like I do here: https://dublog.net/blog/rust-2/index.html https://dublog.net/blog/rust-2/index.html I'm not sure what the best tool for a calculator app is, but there are probably many options