For those interested in trying this out without dusting off their DOS machine, there's an online Javascript emulator here: https://www.pcjs.org/software/pcx86/a

For those interested in trying this out without dusting off their DOS machine, there's an online Javascript emulator here: https://www.pcjs.org/software/pcx86/app/other/visicalc/1981/ https://www.pcjs.org/software/pcx86/app/other/visicalc/1981/