Why use an analogic slide rule in this technological age? The same reason we love tool watches - there's nothing quite like getting our hands dirty. In pre-digital 20th century, the circular slide rule was utilized to execute simple to semi-complex calculations, which you can now achieve on-the-go. Learn how to use the slide rule bezel here.

So adventurers; divide your time, subtract your excuses, add sturdy gear, calculate risks, and multiply your outdoor escape with the Expedition Enigmath.

Sinharaja Forest Reserve is located in the south-west of Sri Lanka, a treasure trove of protected endemic wildlife & plant species in just 88 square kilometers of land. The landscape has been described as ‘a series of ridges and valleys intertwined with a network of streams flowing into surrounding rivers’ - absolute heaven to an adventurer. Enjoy scenic trails like Moulawella and Sinhagala that wind through dense jungles, while bird watchers can observe over 140 species that include Sri Lanka’s own blue magpie, white-headed starling, and green-billed Coucal, amongst many others. Put aside the screens and prepare for an unforgettable immersive experience.