Scientific Calculator Counter 240 Functions 2 Line LCD Display Business Office

TY-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(Regreion 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/regreion calculation/linear regreion).79 steps input capacity for long formula calculation, cursor can flip right/left to make corrections, pre up/down to indicate error position if formula goes wrong.After the calculation is finished, you can pre up/down to reproduce the result and formula.(Notice: Pre 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. Pre 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-3Compatible 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 5minPower Consumption: 0.0002WItem Size：15.3 * 7.8 * 1.2cm / 6 * 3.1 * 0.5"Item Weight: 100g / 3.5ozPackage Size: 15.3 * 8.9 * 2.4cm / 6 * 3.5 * 0.9"Package Weight: 131.5g / 4.6ozPackage List:1 * Calculator1 * User Manual(English)Note:1. Battery is sold separately.2. This calculator is powered by 1pcs AAA 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 default.

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1. WORLDWIDE SHIPPING.(Except some countries and APO/FPO)2. Orders proceedtimely after thepayment verification.3. We only ship to confirmed order addrees. Your order addre MUST MATCH your Shipping addre.4. The images shown are not the actual item and are for your reference only.5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.6. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as poible with a reply. Our goal is customer satisfaction!7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.8. Delivery Time:

1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your poeion more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.2. All returned itMUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.3. We will YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and acceories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpre. OR, you may choose to have a replacement.4.We will bear all the shipping cost if the product(s) is (are) not as advertised.

1. 12 months Manufacturer`s limitedWarranty for defective it(excluding itdamaged and/or misused after receipt). Acceories come with a 3-month warranty.2. Defective itMUST BE reported and returned within the warranty period (and in the original packaging, if poible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITWITH AN EXPIRED WARRANTY.You agree to all of the above-listed policies upon ordering on aliexpre!

We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily addre your concerns.It is impoible to addre iues if we do not know about them!

About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

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If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.