The Osalo FX 991 EX Scientific calculator features a high-resolution LCD that displays more information at once to help you work through large spreadsheets, matrix calculations and more.
Its comprehensive set of advanced calculations means you can work on integration and differential calculus along with vector and inequality calculations. Two-way power utilizes both solar and battery power for reliable operation in any setting. Calculator is perfect for basic math, Calculus, Algebra, Geometry, Probability and Statistics.
【417 Functions Scientific Calculator】The scientific calculator has 417 functions and covers the most scientific functions what college students need to use at university. Reading instruction attached will help you know how to use and find these functions.
【Written Display Scientific Calculator】Input expressions and arithmetic operations same as written form in the textbook, which is more easy to read than traditional calculators. Written display expression same as textbook,convenient for students to check the calculation process and results.
【Two Way Power Electronic Calculator】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.
Plastic Keys】Use high quality plastic keys,and make keys in different area have different shape, to give you the most comfortable experience. Letters printed on keys are super clear.
Features & details
High-resolution LCD shows more of your work to minimize scrolling
Advanced calculations let you quickly work through multi-step problems
Online Visualization provides fast representation of data for entire class
2-way power ensures reliable use in any setting
Perfect for Calculus, Algebra, Geometry and more