Ampad Engineering Computation Pad, 8-1/2" x 11", Glue Top, Margin/Cross-Section Rule (5 x 5), Green Tint Paper, 3-Hole Punched, 100 Sheets (42-142)

When HN users recommended it

1 HN user recommended this in 2022, in one comment.

Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.