HP 12c calculator

The HP 12c calculator is easily one of the most successful calculator models of all time. Last year a 30th anniversary limited edition of the 12c was released. The current model(s) as well as the platinum edition released in 2003 are much more advanced than the originals (ex:400 lines of programming vs 99 lines on the original_due to technological chipsets and improvements. In 2008 they upgraded the chip sets to ARM with SDK available to flash new firmware as well.
The 30th anniversary HP 12c has an msrp 79.99.