Home http://metro.co.uk/2014/10/17/teenager-has-mathematical-equation-tattooed-on-his-bum-cheek-after-failing-as-level-exam-4910060/ There’s no guarantee this will work. Regardless of the system you use to improve your memory, sometimes important information falls through the crack. Share this:Share Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like Loading... Related