G&M Scientific Calculator Counter 240 Functions 2 Line LCD Display Business Office Middle High School Student SAT/AP Test Calculate

Scientific Calculator Counter 240 Functions 2 Line LCD Display Business Office Middle High School Student SAT/AP Test CalculateTY-82MS-3 scientific calculator is a super helper is middle/high school mathematics. With powerful functions and detailed guidance, you will be faster and more accurate when doing exercises.

Features:
3 modes, COMP(Basic Arithmetic Calculations), SD(Standard Deviation), REG(Regression Calculations).
240 functions, support Basic Calculation (a b/c /%/degree,min.,sec./FIX.SCI.RND), Memory Calculation (answer/consecutive/independent/variables/formula storage and repetitive operation), Scientific Function Calculation (sin,cos,tan & inverse/cot,sec,csc/hyperbolic & inverse/log and antilogarithms/Log to base/√, x√, 3√, x², x³, x(-1), X!, xπ，A（n/m）, C(n/m).../angle unit conversion/coordinate conversion/EGN/random number), Statistical Calculation (standard deviation/regression calculation/linear regression).
79 steps input capacity for long formula calculation, cursor can flip right/left to make corrections, press up/down to indicate error position if formula goes wrong.  
After the calculation is finished, you can press up/down to reproduce the result and formula. (Notice: Press ON/C will clear memory.)
2 line LCD display, the upper line for formula and the lower for result.
Hard slide-on cover protect your calculator, won't be lost.
Powered by 1 * AAA battery, battery life last for 2 years if work 1h per day. (Battery is not included.)
A multi-functional helper for students in middle/high school, can largely raise your efficiency and accuracy.
All steps are clearly stated in the user manual.  
Usage:
1. Press 2ndF + AC to turn down the calculator.
2. There are 2 battery slots. You just need to insert 1pcs battery on the slot with spring. The other one is for storing backpack battery.

Specifications:
Model: TY-82MS-3
Compatible Battery: 1 * AAA battery (Sold Separately.)
Battery Life Time: 2 years (Use the calculator 1h per day, for example)(Battery is sold separately.)
Auto Shut-down: No operation in 5min
Power Consumption: 0.0002W
Item Size：15.3 * 7.8 * 1.2cm / 6 * 3.1 * 0.5"
Item Weight: 100g / 3.5oz
Package Size: 15.3 * 8.9 * 2.4cm / 6 * 3.5 * 0.9"
Package Weight: 131.5g / 4.6oz

Package List:
1 * Calculator
1 * User Manual(English)
Note:
1. Battery is sold separately.
2. This calculator is powered by 1pcs AA battery. It has 2 battery slots. One has positive & negative contact for power connection. The other one doesn't have contact and is for storing backup battery only. Please notice that this is not a product def