【Upgraded Memory Function】This upgraded desktop calculator allows you to easily view and track back the past calculations by the up and down arrow button on the top right. Further more, you can press the "INSERT" button to modify the calculator history. The modified results will be stored independently as a new and does not overwrite the previous record.
【Bracket Support】the equations that complicated with bracket are no longer a problem.
【Larger LCD Screen】2-lined and 12-digits , display data more clearly.
【Bigger Button】Big sensitive ABS plastic button, offer quick response, accurate positioning and comfortable texture. (Tip: please note that there is no percentage button on this calculator.)
【Dual Power】Both solar power and battery power, long-lasting use for work and study.