Use coupon and get NEWYES 991ES 6.5 Inches Scientific Calculator with Writing Tablet for $16.99 (from Banggood). Go down and check coupons out. Remember to check price history if it is available. What is the best price?
NEWYES 991ES 6.5 Inches Scientific Calculator with LCD Writing Tablet and 417 Functions Solar Energy Science Calculators Notepad Professional Foldable Calculators for School Students Office Assistant
Latest coupon and price update (UTC):
Banggood ($16.99)
Banggood warehouse is located in China. The question is – is it a good price? Current price is the lowest in history (according to CouponsFromChina database)! We have found one coupon for this product!
Link: Banggood product page
Price without coupon: $23.99
1. ($16.99): BG0fbe2b
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGfacf87, BGc4a05f, BG4c068d
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for NEWYES 991ES 6.5 Inches Scientific Calculator with Writing Tablet is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).