<h4>CASIO Scientific Calculator fx-991ES Plus-2 2nd edition Black</h4> <p> </p> <p> </p> <ul> <li data-start="251" data-end="350"> <p data-start="254" data-end="350">Advanced scientific calculator designed for complex mathematical and engineering calculations.</p> </li> <li data-start="351" data-end="438"> <p data-start="354" data-end="438">2nd Edition upgrade with improved features and durability over the previous model.</p> </li> <li data-start="439" data-end="525"> <p data-start="442" data-end="525">High-resolution natural textbook display for easy-to-read formulas and equations.</p> </li> <li data-start="526" data-end="601"> <p data-start="529" data-end="601">Displays mathematical expressions exactly as they appear in textbooks.</p> </li> <li data-start="602" data-end="687"> <p data-start="605" data-end="687">Equipped with <strong data-start="619" data-end="636">417 functions</strong> for comprehensive academic and professional use.</p> </li> <li data-start="688" data-end="776"> <p data-start="691" data-end="776">Functions include algebra, calculus, trigonometry, statistics, and complex numbers.</p> </li> <li data-start="777" data-end="848"> <p data-start="780" data-end="848">Solar-powered operation with battery backup for uninterrupted use.</p> </li> <li data-start="849" data-end="926"> <p data-start="852" data-end="926">Dual power system ensures long-lasting performance and eco-friendliness.</p> </li> <li data-start="927" data-end="1008"> <p data-start="930" data-end="1008">Fast and accurate processing for quick problem-solving in exams and classes.</p> </li> <li data-start="1009" data-end="1079"> <p data-start="1013" data-end="1079">Sleek black body with ergonomic design for comfortable handling.</p> </li> <li data-start="1080" data-end="1160"> <p data-start="1084" data-end="1160">Durable and lightweight, ideal for school, college, and professional work.</p> </li> <li data-start="1161" data-end="1240"> <p data-start="1165" data-end="1240">Supports <strong data-start="1174" data-end="1208">matrix and vector calculations</strong> for engineering applications.</p> </li> <li data-start="1241" data-end="1325"> <p data-start="1245" data-end="1325">Comes with integration and differentiation functions for advanced mathematics.</p> </li> <li data-start="1326" data-end="1394"> <p data-start="1330" data-end="1394">Offers simultaneous equation solving for up to four variables.</p> </li> <li data-start="1395" data-end="1476"> <p data-start="1399" data-end="1476">Statistical analysis functions including standard deviation and regression.</p> </li> <li data-start="1477" data-end="1534"> <p data-start="1481" data-end="1534">Easy navigation keys for quick access to functions.</p> </li> <li data-start="1535" data-end="1606"> <p data-start="1539" data-end="1606">Protective hard cover included to prevent damage when not in use.</p> </li> <li data-start="1607" data-end="1669"> <p data-start="1611" data-end="1669">Complies with exam regulations for many academic boards.</p> </li> <li data-start="1670" data-end="1745"> <p data-start="1674" data-end="1745">Large 2-line display for better visibility of both input and results.</p> </li> <li data-start="1746" data-end="1802"> <p data-start="1750" data-end="1802">Intuitive menu system for user-friendly operation.</p> </li> <li data-start="1803" data-end="1860"> <p data-start="1807" data-end="1860">High-quality CASIO build for long-term reliability.</p> </li> <li data-start="1861" data-end="1929"> <p data-start="1865" data-end="1929">Lightweight design makes it easy to carry in bags and pouches.</p> </li> </ul> <p> </p>