https://arithmetic.dev 2026-03-13 https://arithmetic.dev/services 2026-03-13 https://arithmetic.dev/work 2026-03-13 https://arithmetic.dev/about 2026-03-13 https://arithmetic.dev/contact 2026-03-13 https://arithmetic.dev/blog 2026-03-13 https://arithmetic.dev/blog/vim 2024-04-09