Geez, you'd think if you needed to add lots of numbers together those numbers wo...

seanwilson on Sept 10, 2016 | parent | context | favorite | on: Ask HN: What's the point of making smartphones sli...

Geez, you'd think if you needed to add lots of numbers together those numbers would be on a computer and the computer could do it for you. Having someone do it manually on a calculator is just asking for errors. Interesting video though, thanks!