Fastest Time To Count To 126 By Sevens

00:05.88 min/sec

Fastest Time To Mentally Calculate 10 Random Multiplication Items

01:30.60 min/sec

Fastest Time To Mentally Calculate 150 Random Division Items

02:04.10 min/sec

Fastest Time To Mentally Calculate 20 Random Math Equations

01:23.50 min/sec

Fastest Time To Recite First 150 Decimals Of Pi

00:18.34 min/sec

Fastest Time To Say First 100 Digits Of e With Eyes Closed

00:16.60 min/sec

Fastest Time To Say First 100 Digits Of Pi With Eyes Closed

00:09.41 min/sec

Fastest Time To Say First 50 Digits Of Pi With Eyes Closed

00:06.78 min/sec

Largest Pythagorean Theorem Written On Sand

9 meters

Fastest Time To Calculate 10 Math Problems Involving Four-Digit Addition And Subtraction

01:41.20 min/sec

Most Addition Problems Solved While Sitting On 25 Yearbooks

20 problems

Fastest Time To Count To 1,000

10:36.21 min/sec

Fastest Time To Mentally Calculate 40 Random Division Items

00:45.50 min/sec

Fastest Time To Recite First 110 Digits Of Pi While Juggling Five Balls

00:13.57 min/sec

Fastest Time To Recite 100 Digits Of Pi In A Prius

00:12.65 min/sec