TY-290ES scientific calculator can offer 290 functions which covers middle school mathematics. 5 lines full dot matrix display shows the full calculation clearly. Nice helper for students.

Features:
290 functions， including basic calculation， memory function， scientific function calculation and statistic arithmetic calculation.
For example， calculation of fraction/percentage/degree， min.， sec./approximate & significant number; answer storage/independent/variables; sin， cos， tan & arc/ √， x√， 3√， x2， x3， x(-1)...log/are log..; statistic arithmetic calculation and etc.
Support modify/insert/delete/reproduce， quick flip up and down.
5 lines full dot matrix display， fully display the calculating formula.
Built-in slide-on hard cover protect calculator key and won't lost.
Low power consumption， 2 * AAA battery can offer 1 year long service time. (battery sold separately.)
Nice helper for middle / high school students.

Specifications:
Compatible Battery： 2 * AAA Batteries (Sold separately.)
Battery Lifetime: About 1 year (Work 1h per day for example.)
Power Consumption: 0.003W
Auto Shut-down: In 5min if no operation.
Item Size: 15.6 * 7.9 * 1.6cm / 6.1 * 3.1 * 0.6"
Item Weight: 111.5g / 3.9oz
Package Size: 16.4 * 8.9 * 2.4cm / 6.5 * 3.5 * 0.9"
Package Weight: 139.5g / 4.9oz

Package List:
1 * Calculator
1 * User Manual(English)

Note:
Battery is not included.