Best Green Financial Calculators in 2026

[EASY-TO-USE DESIGN] - With its large screen, this CATIGA calculator is made for convenient and comfortable everyday use. Its tilted and angled display allows you to easily see your calculations without straining your eyes.

[LARGE RESPONSIVE BUTTONS] - Its spacious button size ensures that your fingers are much less likely to hit the wrong number, all while typing with a satisfying feeling.

[ROBUST BUILD] - Built with a sturdy and premium plastic body, the CATIGA Office Calculator is constructed with everyday use in mind. It is convenient, powerful, and long lasting.

[LARGE DISPLAY] - The huge LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing.

[SENSITIVE AND BIG BUTTONS] - Your calculation process will be faster and smoother with this calculator’s responsive buttons. Once pressed, the buttons quickly register and display the corresponding number on the screen. The big size of the buttons prevents you from hitting the wrong button.

[DUAL POWER DESIGN] - This calculator utilizes both the solar power and battery power (battery included). The solar panel, as long as you use it in a lit environment, will power up the calculator thoroughly.

Case Only! (Calculator and accessories are not included), the sturdy shell calculator case will withstand most drops with the calculator being snug inside, perfect for protecting your expensive college graphing calculator investment!

100% Protection: This ti-84 calculator case is made of durable EVA material, with semi-waterproof and shockproof. The ti-84 plus ce case is strong enough to withstand impact and the inner layer is a big cushioned, and it would help prolong the life of the calculator.

Attentive Design: The ti 84 plus ce case has a zipper mesh bag to fit charging usb cords, study guide card, pens, charger, batteries and etc. the graphing calculator case has a middle flap to protect your TI-84 Plus CE/TI-84 Plus/TI-83 Plus CE calculator, Internal velcro strap holds graphing calculator in place. Double zipper provides easy access to insert and remove your Texas Instruments color graphing calculator.

SOLVE YOUR DIMENSIONAL MATH quickly and accurately with the award-winning CM Pro Trig construction calculator’s powerful built-in solutions for completing layouts; and full trig functions with sine, cosine, tangent, arcsine, arccosine and arctangent

LETS YOU EFFORTLESSLY WORK IN AND CONVERT between all common building dimension formats: feet-inch-fractions, decimal feet-inches, yards and metric - including area and volume. Plus weight-per-volume and D: M: S to decimal degree conversions too

TIME-SAVING BUILT-IN FUNCTIONS for right angles give you instant solutions for square-ups, rafters (hip, valley, jacks), rake-walls, slopes, angles and more. Plus complete stair layout, advanced solutions for arcs, arches, circles, columns and more

✔ [POCKET CALCULATOR MINI] - Pocket size calculator 5.5" x 3.4". Lightweight ABS plastic material. Reasonable configuration, comfortable operation, and anti-slip design with anti-slip washers make it not easy to slide during operation. Add, subtract, multiply, divide, backspace, grand total(GT), M+/M-/MRC, On/AC Button, Auto Power-Off, and Delete key (▶). The calculator will turn itself off after about 10 minutes of being idle.

✔ [CLEAR DISPLAY] - Small calculator with large button, candy colors(Yellow, pink, white, green, a variety of fashion styles). The huge LCD screen, 12-digit display, vertical back, and 15-degree angle make it easy to read from afar, and it’s aesthetically pleasing.

✔ [SENSITIVE BUTTONS] - Your calculation process will be faster and smoother with this mini calculator’s responsive buttons. Once pressed, the buttons quickly register and display the corresponding number on the screen. The big size of the buttons prevents you from hitting the wrong button.

Large Calculator：12 Digits large calculator big buttons and display.

Ergonomic Design:Big button calculator,Computer keyboard type big keys,4 function calculator.

Two-way Power:Solar desk calculator,Solar，Button Battery（included)

co2CREA hard HP calculator travel case replacement for HP 10bII+ financial calculator HP 10bii plus financial calculator HP 10bii financial calculator. Hard EVA shell case is shockproof dustproof and water resistance, protect your HP10bii financial calculator HP financial calculator HP10bii HP financial calculators marine structural design calculations mortgage calculators HP10b11 financial calculator from drops, scratches, bumps, splash, and dust.

This HP10bii calculator HP calculator case perfect fit HP 10bii plus financial calculator HP engineering calculator rpn calculators business finance calculator, and the graphic calculator HP financial calculator case has more space to accommodate the HP 10bii financial calculator HP prime calculator financial calculator and calendrical calculations more accessories.

co2CREA hard HP graphing calculator HP 10 financial calculator HP10bii+ financial calculator case is a build-in super quality lining reflects superior taste and ensures a long-lasting performance, the soft anti static lining can protect your HP 10bii financial calculator HP 10bii plus financial calculator HP 10bii financial calculator from bumps dents and scratches.

Large 12 Digit, 2 line LCD display perfect for easy viewing and shows Calculation entry and result at the same time

Perfect for students studying general math and science, pre-algebra, algebra, geometry, trigonometry, statistics, biology, and chemistry

Direct algebraic logic (D.A.l.) which allows calculations to be displayed as written on paper. 273 functions and 2 Modes: normal and start

【IMITATION MECHANICAL KEYBOARD】: Imitating the knocking feel of a mechanical keyboard (the keyboard cannot be disassembled without special tools), the key operation is fast and accurate, bringing a pleasant experience.. The touch of your fingers and the unique clicking sound are addictive.Large button, candy color.Large LCD screen,12-digit display, vertical back,15° for easy-to-read calculator

【LOVELY RETRO】: Use typewriter-style clean lines and retro round keys. Thick tube body size is suitable for desktop use and also suitable for handheld use. The large round keycaps fit easily in both hands and prevent fatigue. Spring-loaded ergonomic design protects your wrist.

【APPLICATION SCENARIO】: Made of durable ABS material. Yellow and black, pink and white, green and white, white and black, a variety of fashion styles. Small portable general purpose desktop calculator for home, school, office or shop that can do general math like we do, with a variety of financial functions, perfect for adults and students. Gift box design, perfect for gift giving

Two-way Power Basic Calculator: Solar and battery, the calculator can be used without battery in sunlight or light (2 AA battery included and the other is a spare ).

Large 12-Digit LCD Display: Specially modulated pigment for the display screen which improves the clarity of the display screen clearly.

10 Key Calculator Big Buttons: Computer keyboard type big keys easy to press with fingers.

Net Future Value (NFV), Modified Internal Rate of Return (MIRR), Time-Value-of-Money (TVM), Payback, Accrued interest, Amortization, Cost-Sell-Margin, Depreciation

Solves time-value-of-money calculations such as annuities, mortgages, leases, savings, and more

Performs cash-flow analysis for up to 32 uneven cash flows with up to 4-digit frequencies

Hp 10bII+ financial Calculator.

The HP 10bII+ is the smart choice for business and Finance needs.

You'll be able to work quicker and more efficiently with over 100 time-saving, easily-accessible

Case Only! (device and accessories are not included). All around protection for your device, create a unique case just for you.

The hard case travel bag for scientific financial calculator is made of premium hard EVA to provides excellent protection and a long-lasting performance. It's semi-waterproof, shockproof, stylish and durable. Guaranteed to prevent any damage to your scientific financial calculator.

This case is geared up with Separate compartment for the plug, Double zipper design provides easy access to insert and remove your scientific financial calculator. It have a very comfortable handle that allows for easy and convenient portability on the go.

【DUAL POWER】The dual power supply of solar and battery (includes one AA battery) is what makes the desktop calculator work. Auto-off when you’re not using it about 10 minutes, to save more energy.

【CHECK & CORRECT FUNCTION】The office calculator can calculate taxes quickly and easily. Auto replay and check function allows users to store, check, and correct up to 112 entries. The backspace key makes quickly correct of a single error.

【LARGE LCD DISPLAY】14 digits make the calculator useful for large calculations, suitable for office, school, market or home use that needs to make any sort of calculation. When you put the solar calculator on the desktop, the 30° large display is just opposite your sight, which makes it more clear than a straight display.

FX-5800P

CASIO

Number of Functions: 664

[Large 12-digit Display] The huge large LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing. Max support 12 digits display.

[Dual power Design] The calculator utilizes both the solar power and battery power (battery not included). As long as you use it in a well-lit environment,the solar panel will provide continuous power to the calculator.

[Sensitive and Big Buttons] Once pressed, the buttons quickly register and display the corresponding number on the screen. The electronic desk calculator adopts a scientific large button design, which conforms to human habits and is comfortable to touch.

👍【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.

💘【Scientific calculator】💘: Calculator and notepad are designed together, you can write while calculating, improve learning and work efficiency, simple operation, suitable for beginner students and science builders,Very good mini high school supplies.

💘【Health environmental protection】💘: The blue matt LCD screen is used to protect the eyes. When you are not using a calculator, you can also put it on the table as a notepad. It can write repeatedly, reduce paper consumption, environmental protection, no dust and ink, press a clear button to erase LCD notes and protect personal privacy.

💘【 Portable】💘: This handwritten calculator is only 120g, light in weight and easy to carry. Product size: 160*78*12.8mm. You can put it in your bag, pocket, or even wallet. It is a perfect choice for office calculations, construction calculations, financial calculations, accounting calculations, student calculations, home calculations, etc.

Nice design - 12 digits display, large numbers are easy to read, big and sensitive keys for simple calculations.

Dual Power Calculator - Solar power, energy saving and enviromental protection.

Durable silicone button - good sense of touch, ABS plastic material, Light weight. Reasonable configuration and comfortable operation.

"Size: about 15 cm/5.9 inches long and 12 cm/4.7 inches wide. "

Features: The calculator has two power sources, solar (works only when bright) and battery (battery not included), large 12-digit display with large ABS plastic buttons designed to add, subtract, multiply, divide, backspace, % and MU. automatically turns off when not in use for approximately 10 minutes.

Ideal for people: It is perfect for the home and office, performs common math operations and various financial functions, and is ideal for adults and students.

Graphing calculators bag: The calculators organizer case is specially designed for Texas Instruments TI-Nspire CX/ TI-Nspire CX II CAS Color Graphing Calculator, for TI-89 Titanium/TI-85 / TI-86 for Casio fx-9750GII Color Graphing Calculator Scientific calculators holder with two mesh pockets can store cell-phone, charging lines, rulers, pens and any other stationery. Two elastic bands are placed on the middle dividers to store at least 6 pens. (For sale is case only)

Protective case for TI-Nspire CX graphing calculator: The cover for texas instruments is made of hard quality material, and has a honeycomb shaped divider in the middle, which has a good shock resistance and give scientific calculators for students ample protection. This allows you to place for TI-Nspire CX II graphing calculator more freely.

Portable office calculators container for Texas Instruments TI-Nspire CX II: The financial calculator keeper comes with a sturdy hand strap, so even kids can carry it with one hand easily. They can also put the graphic calculators case in their schoolbag, so that they can take for TI-Nspire CX II graphing calculator to schools, libraries and other places. Let the construction calculator accompany their study. External size: 8.6*4.73*2.48 inches.

Package includes: you will receive rich content of handheld electronic pocket calculators in 6 different colors, such as purple, yellow, blue and more; Sufficient quantity and colors can meet your different demands, and you can share these practical pocket calculators to your fellows and classmates

Dual powered calculator: these mini pocket size calculators are powered by solar and battery; It can work in a bright place without battery. If use it in the early morning or night, the screen maybe difficult to read in low light condition. Please insert AA battery ( not included) for continuous and accurate usage

Proper size: each elementary calculator measures approx. 11.4 x 6.4 x 2 cm/ 4.49 x 2.52 x 0.79 inch (with angled screen), portable and practical, can be put in pockets and bags, and use whenever need, lightweight with even weight distribution for comfortable calculations while using on the desktop or handheld

The HP 10bII+ is the smart choice for business and finance needs.

You'll be able to work quicker and more efficiently with over 100 time-saving, easily-accessible business functions.

Easily calculate loan payments, interest rates and conversions, standard deviation, percent, TVM, NPV, IRR, cash flows, and more.

【Two-way Power Desk Calculator】Hinikia calculator can be used in sunlight or light and also used with battery. When out of electricity you can go somewhere bright to continue your job. Comparing to other common calculators in the market, its powerboard can absorb more energy and last longer to support the calculator working.

【Large 12-Digit LCD Display Scientific Calculator】 Hinikia 12 digits desktop calculator has 4.2" extra-large LCD display that is inclined at a fixed 30 angle, which is exactly in your field of vision and is clearer than the straight display.

【4 Function Big Button Financial Calculator】Four operations of addition, subtraction, multiplication, and division.Jumbo and separate buttons make each press more accurate. Pressing its big buttons is like pressing computer keyboards, very sensitive and you can hear clear tick-tock sounds when you press it.

Calculator with Tablet: basic function calculator combines a spocket calculator with a 6 inch writing tablet. calculator with notepad and pen are designed in one piece, this new device subverts the traditional calculator usage that it can effectively save your pen and paper,you can make notes while calculating, improve study and work efficiency.

Solar and Battery Dual Powered: calculator with writing tablet ​is powered by a button battery CR2025 (already installed on the device); you'll also get an extra button battery for replacement as well as solar panels on the calculator. With dual power, you can use the calculator daily for about a year. Tips: The solar panel only powers the calculator, not the drawing board.

One-touch Instant Clear and Locked Function: This office calculator has a reusable writing board, which is convenient to use, you can click the button to clear the writing board and protect personal privacy; and the lock function can avoid accidentally delete; make a record anywhere with the built-in stylus, this calculator notepad is a perfect choice for work, study or office.

⭐ BRILLIANT DESIGN. LCD display. Measure: 3.75" x 2.25" x 0.25". 8 Digits display. Auto power off. Full function memory. Powered by batteries. Battery included.

⭐ MINI SIZE. Pocket calculators, small size is suitable for your business travel use. This easy to use calculator takes up little space on your desktop and fits into your briefcase or desk drawer.

⭐ LONG LASTING POWER. Powered by batteries. Battery included. The calculator will function even in a dim place. The soft rubber button design in line with the use of human habits, comfortable for touch.

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.

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.

IDEAL FOR: The UltimateX is the brainchild of two of our most popular calculators ever - the Monroe Classic and the Monroe Pro. Accountants, financial professionals, and other heavy calculator users prefer this model over any other calculator made today. As the first heavy-duty calculator with the ability to edit and reprint tapes, the UltimateX makes users quicker and more efficient by saving time from costly errors and incorrect entries

BUILT FOR SPEED & COMFORT: Equipped with our Monroe exclusive IKT technology (individual key switch), the UltimateX has the softest and most responsive keys of any calculator available today. Save time and frustration with its familiar layout; adding machine controls on the right and calculator controls on the left make it easy to use the functions independently or together. A 5 line-per-second print speed ensures that the UltimateX doesn't fall too far behind the user

UNCOMPROMISING PERFORMANCE & FEATURES: Monroe has been in business since 1912. We didn’t get to where we are today by cutting corners. When you buy Monroe, you’re committing to the best-quality, bar-none. Productivity-oriented features such as a dual 4-key memory, VAT tax, reprint and editing, price/price mode, truncate, running subtotal, variable add mode, two-column addition, and more help make your day easier and more efficient than ever. Work smarter, not harder, with a Monroe calculator

Design: tilted LCD display, Slim elegant, inverse surface design, computer key design, wide keyboard with sensitivity buttons easy use,large display easy read.

Dual power: Solar or backup battery can choose, solar can also work as normal.

ABS durable materials, not easy to bending or breaking.

Sold as 1 Each.

Desktop calculator offers 12-digit LCD display for convenient viewing. Decimal switch, rounding switch, square root, percent, sign change, and grand total functions to solve many additional mathematical problems. Comes in white.

Easy-to-use solution for all of your basic math needs. Auto power-off feature prevents unwanted or unintentional use of the battery. Dimensions measure: 6.5"W x 6"D x 1.25"H.