This is a leather flip case with magnetic clasp specifically designed for the HP 17B, HP17BII, and HP 17BII+ series of calculators but it is also compatible with most HP financial calculators including but not limited to the list below.
Case Compatible with:
HP 12C Platinum
Outside dimensions: 6.75" x 3.75" x 1"
If your device is within the above dimensions, then it will fit inside the case.