My guess is that this solar calculator is targeting the quickly expanding green accountant demographic.  A dedicated collective of eco-conscious CPA’s focusing all their off-the-grid analytical skills on saving the planet one spreadsheet at a time. Great for balancing the books deep in the outback or the Amazon jungle.

kinda cool looking

$8 @ brando.com.hk

Related:  previously on altCon

water powered calculator, (3.24.08)