<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div class="desc"><div style="width: px; line-height:150%; font-family:Arial, Helvetica, sans-serif; font-size:12px;"> <p style="margin-bottom:6px; margin-top:6px;"></p> <p> Scientific Calculators Math Calculator with 417 Function HD Dot Matrix Display 96*31) Dual Power Supply Ideal for Teachers College Students School Office Portable to Carry</p><div style="font:Arial;font-size:16px;"><p><b>Feature:</b></p>1. Comprehensive Functionality: The TY-991ES scientific calculator boasts 417 built-in functions, including trigonometric, exponential, logarithmic, calculus, statistics, algebra, and more. It also supports complex number, matrix, and vector calculations, catering to a wide range of scientific and engineering needs.<br/>2. High-Definition Display: Featuring a high-definition dot matrix display (96*31), this calculator ensures clear and easy reading. It supports natural display, allowing for the direct input and output of mathematical formulas, making complex calculations more intuitive.<br/>3. Dual Power Source: Equipped with a solar panel and a button battery, this calculator offers continuous operation in both indoor and outdoor environments. This dual power source design reduces the need for frequent battery replacements, making it an economical choice for long-term use.<br/>4. User-Friendly Design: The TY-991ES calculator features large, clear numeric keys and a protective cover with an anti-collision design. This thoughtful design ensures durability and ease of use, making it a reliable tool for frequent calculations.<br/>5. Versatile Use: Ideal for students, teachers, engineers, accountants, and more, this calculator can meet various calculation needs in mathematics, science, and engineering. Its compact size and comprehensive functionality make it a great gift for those in need of a scientific calculator.<p><br/></p><p><b>Specification:</b></p>Model:  TY -991ES<br/>Color: White, Black, Pink, Blue (Optional)<br/>Size: 165x80x15mm<br/>Weight: 125g<br/>Battery: LR44, 160MaH 1.5V<br/>Material: ABS Platsic<br/><p><br/></p><p><b>Package List:</b></p><p>1 x Calculator</p></div><br/> <p style="margin-bottom:6px; margin-top:6px;"> </p> <p><br/><br/><br/><br/><br/><br/><br/><br/><br/><!--#list--><!--#if--></p><div style=" margin-bottom:6px; margin-top:6px;"> </div> <p style="margin-bottom: 6px"></p> <p>Many Questions about Dropshipping Services Are As Follows:</p> <p>1.How many orders can you handle per day?<br/> we are a large company in Shenzhen,China,with a large warehouse that can handle large orders everyday.We send out countless parcels everyday.We can guarantee the order you request.</p> <p>2.How fast can you process orders?<br/> We will arrange shipment as soon as possible after you pay the order.Priority delivery for dropshipping order</p> <p>3.Could you ship order without any receipts,invoices and promotional offer inside the package?<br/> Absolutely!No invoices,receipts,promotional offer if you leave notes on the order(if you want,we can provide.)</p> <p>4.If you need other products?<br/> We can provide most products you need as much as possible1</p> <p>If you have any other questions,please feel free to contact us.<br/> We are very grateful to cooperate with you.</p> <p>5.We can support CSV/Excel File Dropshipping.</p> <p>6.There is no limite</p></div></div></div></div>