All-in-One Solution:Are you ever in a situation where you need to remember a calculation result,but can't find a pen and paper? Now,this financial calculator is the perfect solution which combining a sleek LCD writing board.You can take notes while calculating, making calls, or attending meetings,improving your study and work efficiency.Very good high school supplies.

Rechargeable and Solar Dual-power:Different from traditional adding machine calculator,our mini calculator is powered by a Type-C cable instead of disposable button batteries.It can be used for 10 months on a 2-hour charge.The desktop calculator also has a solar panel,so you don't have to worry about running out of power even on the go.

Portable & Lightweight:The small calculator weighs only 4 oz,and its compact size fits perfectly in your bags or pockets.The notepad as a cover to protect the calculator from dirt,you can take it anywhere you need.Now,take your calculations on the go with this portable calculator.

Memo Locked & Precise calculation:Compared with traditional standard calculators,this pocket calculator has a lock-key function to save your important notes prevent deleting,it is ideal for leaving messages to yourself and family.This solar calculator can be accurate to 11 decimal places,efficiently performs 4-function mortgage calculations and tax conversions for finance, office, accountants, schools, and homes.

Healthy & Eco-friendly:The LCD writing tablet designed without blue light to protect the eyes,and it can be repeatedly written more than 50,000 times,no ink and dust.Reducing paper consumption and being environmentally friendly.If you're looking for an excellent gift for your friends or family,this cute calculator must be the best choice.

❤LIFETIME WARRANTY❤: If the product arrives broken, or get broken in use, please directly contact AUCANLA for satisfied solution.We sincerely care about every customer's shopping experience!