This digital camera supports an SD|SDHC|SDXC memory card, which is typical of many compact camera digital cameras that have been around for around the same time as it. SD cards are by far the most common type of memory card. They are compatible with the majority of digital cameras.
It may also be worth considering one of the alternative cameras that support an SD|SDHC|SDXC memory currently available including because of it's better review score, the Panasonic Lumix DMC-TS5[plb_1900903_price], the Nikon Coolpix L120[plb_1186_price], or the Canon PowerShot N100[plb_2118439_price].
If the memory card type of this Casio digital camera is not good enough for you then you might also want to consider the Sony DSC-W800[plb_2163797_price] (MicroSD (TransFlash and higher rated)|MicroSDHC|MicroSDXC|MS Duo|MS Micro (M2 and higher rated)|MS PRO Duo|MS Pro-HG Duo|MS XC-HG Duo|SD|SDHC|SDXC and higher rated).