Best Green Financial Calculators in 2026

Two-way Power Desktop Calculator: Use solar power or battery power,In the case of sunlight or light, it can also be used without battery (Provide 2 AA batteries, only 1 needed).

Large 12-Digit LCD Display: Big 4-inch display with clear numbers from any angle.

10 Key Calculator Big Buttons: Easy-to-use design follows computer keyboard layout.

👍【Calculator with Notepad】:Have you ever been trouble that you had to remember the result of a number during a calculation,but couldn't find paper and pen to record it? This finance calculator is comebining with lcd writing board which can solve this problem perfectly.It is designed by a Japanese designer which pursuing minimalism and paperless eco-friendly.You can take notes while calculating,calling and meeting,which improving your study and work efficiency.

👍【Mute Design and Memo Locked Function】:The small calculator keys adopt high quality silicone which feel comfortable,waterproof,sensitive and mute,not interfere with other people,"locked"key function to save your important notes prevent deleting.The basic calculator is an ideal choice of leaving messages to kids and yourself,and perform 4-function mortgage calculator and tax conversions efficiently for finance,office,accountants,school and home.

👍【Lightweight and Portable & Extre Protecive bag】：This mini calculator weighs 4 oz and have a flip cover that can be protecting the keyboard.You can put it in your pocket and bag.It is portable that you can carry it to anywhere and can be removed and used immediately when needed.We also provide protective bag which is High quality and waterproof for this conversion calculator.

【Multi-function Scientific Calculator】Combination of scientific calculator and writeboard, stylus hidden behind the calculator, calculate and record at any time, effectively improve learning and work efficiency, clear 12-digit display for easy calculation. It contains 240 mathematical calculate functions which covers basic calculate, scientific function calculations, etc.

【Double-line Display】Double-line display screen design, the first line shows the calculation process, the second line shows the calculation result. Press the clear key to erase the LCD notes and protect personal privacy. Special one-key lock function can prevent important information from accidentally being deleted. Note: Please make sure that the one-key lock is unlocked status, otherwise you will be failed to clear the writing tablet.

【Eco-Friendly】The desk calculator is powered by CR2025 battery, it can be replaced at any time. Working time:12-18 months, stand-by time:18-24 months; saving energy and longer stand-by time, no need worry about low battery power. Scientific calculators use blue matte LCD screen to protect the eyes, The writeboard text can also be read clearly in the sun. Paperless environmental protection, repeatable writing.

【Multi-function Scientific Calculator】Combination of scientific calculator and writeboard, stylus hidden behind the calculator, calculate and record at any time, effectively improve learning and work efficiency, clear 12-digit display for easy calculation. It contains 240 mathematical calculate functions which covers basic calculate, scientific function calculations, etc.

【Double-line Display】Double-line display screen design, the first line shows the calculation process, the second line shows the calculation result. Press the clear key to erase the LCD notes and protect personal privacy. Special one-key lock function can prevent important information from accidentally being deleted. Note: Please make sure that the one-key lock is unlocked status, otherwise you will be failed to clear the writing tablet.

【Eco-Friendly】The desk calculator is powered by CR2025 battery, it can be replaced at any time. Working time:12-18 months, stand-by time:18-24 months; saving energy and longer stand-by time, no need worry about low battery power. Scientific calculators use blue matte LCD screen to protect the eyes, The writeboard text can also be read clearly in the sun. Paperless environmental protection, repeatable writing.

【Calculator with Notepad】:Have you ever been trouble that you had to remember the result of a number during a calculation,but couldn't find paper and pen to record it? This finance calculator is comebining with lcd writing board which can solve this problem perfectly.It is designed by a Japanese designer which pursuing minimalism and paperless eco-friendly.You can take notes while calculating,calling and meeting,which improving your study and work efficiency.

【Mute Design and Memo Locked Function】:The small calculator keys adopt high quality silicone which feel comfortable,waterproof,sensitive and mute,not interfere with other people,"locked"key function to save your important notes prevent deleting.The basic calculator is an ideal choice of leaving messages to kids and yourself,and perform 4-function mortgage calculator and tax conversions efficiently for finance,office,accountants,school and home.

【Lightweight and Portable & Extre Protecive bag】：This mini calculator weighs 4 oz and have a flip cover that can be protecting the keyboard.You can put it in your pocket and bag.It is portable that you can carry it to anywhere and can be removed and used immediately when needed.We also provide protective bag which is High quality and waterproof for this conversion calculator.

【Calculator with Notepad】:Have you ever been Trouble that you had to remember the result of a number during a calculation,but couldn't find paper and pen to record it? This finance calculator is comebining with lcd writing board which can solve this problem perfectly.It is designed by a Japanese designer which pursuing minimalism and paperless eco-friendly.You can take notes while calculating,calling and meeting,which improving your study and work efficiency.

【Mute Design and Memo Locked Function】:The small calculator keys adopt high quality silicone which feel comfortable,waterproof,sensitive and mute,not interfere with other people,"locked"key function to save your important notes prevent deleting.The basic calculator is an ideal choice of leaving messages to kids and yourself,and perform 4-function mortgage calculator and tax conversions efficiently for finance,office,accountants,school and home.

【Lightweight and Portable & Extre Protecive bag】：This mini calculator weighs 4 oz and have a flip cover that can be protecting the keyboard.You can put it in your pocket and bag.It is portable that you can carry it to anywhere and can be removed and used immediately when needed.We also provide protective bag which is High quality and waterproof for this conversion calculator.

Assorted color mini calculators: you will receive 16 pieces pocket size calculators in 4 different colors (blue, red, yellow, green), various colors and enough quantity to meet your daily needs

Pocket size: these digit LCD display calculators measure about 4.52 x 2.56 x 0.79 inch/ 11.5 x 6.5 x 2 cm each, convenient to store and carry with you, suitable for both office staff and students, also a wise choice for business trip, journey and more

Quality made: these mini basic calculators adopt reliable material, with buttons comfortable to touch, the wide keyboard and raised keys help you press the buttons accurately, not easy to break and wear, suitable for continuous use; Attention: battery (not included) operated, you need to prepare 1 piece No.5 battery on your own before using