Number Cruncher Color 10 - Blue Denim Front with White Horn and Khaki Temples

Our Number Cruncher readers have been known to make wearers instantly better at calculating tips. This classic rectangle is an ideal choice for our wide-headed friends who want a pair of glasses good for all occasions. Trust us, we did the math.Number Cruncher comes in a wide fit and is available in diopters ranging from 0.00 to +4.00. You can get traditional full-lens readers or progressive readers, which let you see at all distances.