Best Environmental Engineering Calculator

Desktop Calculator Extra Large LCD Display 12-Digit Big Number Accounting Calculator with Giant Response Button, Battery & Solar Powered, Perfect for Office Business Home Daily Use(OS-2135)

  • ...f press button make your every press more accurate,work more efficient..
  • 【Visualized Operation Symbol Display】When you would like to calculate the number, it will express the symbol (plus, subtract, multiply or divide) on the screen. It can help you seeing the operation step when you operate continuously..
  • 【ABS Engineering Plastic】This calculator is made of ABS high strength engineering plastics, light weight but durable. It can withstand the impact of falling on the height of the desktop for several times..
  • 【Dual Power】The calculator uses high conversion rate solar panels,solar power can be used in well-lit areas.At the same time, we provide matching battery(included one AAA battery)double safe uninterruptible power.The calculator will shut down automatically after 8 minutes without operation..
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TI-84 Plus CE Guidebook for High School & College: Your Tutor to Learn How The TI 84 works with Screenshots & Keystroke Sequences

  • 【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..
  • 【 Large display】: 10-digit LCD screen, 2 button batteries, can be replaced at any time without installing screws, you don't have to worry about running out of batteries..
  • 【What's in the box】: 1 x calculator notepad, 1 x detailed operating instructions. It can be replaced free of charge within 180 days. If you have any ques....
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OSALO Desktop Calculator Extra Large Display 12 Digits Big Buttons Solar Accounting Calculator for Office (OS-200ML)

  • ... display calculator is especially suitable for seniors, accountant, sales or other businessmen who works in office, shop, market, etc. 12 digits and 00 buttons meet the requirements of large number calculation..
  • 【ABS plastic】 The calculator is made of high-strength ABS engineering plastic. Light but durable. Its strong material and structure can with stand multiple knocks and even non slip falls off from the table. Its buttons are in clear colors..
  • 【Solar & Battery power】 The calculator is solar-powered, so that operation is guaranteed even in poor lighting conditions. Comparing to other common calculators in the market, its solar panel can absorb more energy and last longer to support the calculator working..
  • 【Auto Power Off】 With a superior chip, it will auto power off after 8 minutes when you extend the battery life while reducing power consumption. With the auto power-off function, you don’t need to worry if you usually forget to turn off the machine and worry about the energy consumption..
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Electrical and Electronic Engineering Calculator

  • RENUS Professional grade scientific calculator,Easily handles 1 and 2 variable statistical calculations, three angle modes(degrees,radians, and grads), and scientific/engineering notation modes,Perfect for High School and College math..
  • Calculation records can be read ,it will reduce double-counting and improve working efficiency..
  • 2-line,12-digit widescreen HD display support superscripts function,Facilitate our calculations.
  • AAA battery replaces button batteries,If you need to replace the batterys, just open the battery cover on the back without any tools.(batteries include).
  • Ergonomically designed hard sliding cover can protects the calculator and also provide a comfortable grip.
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2 Pack Scientific Calculator 2 Line Fraction Calculator with Protective Hard Cover and Battery Basic Math Calculator Chemistry Calculator Black Financial Calculator for School Business

  • ...yed on the 2 line display of our scientific calculator for chemistry at the same time, helping you work quickly and accurately without any errors, so you can use it with confidence.
  • Practical and Helpful: our calculator for fractions can easily handle a variety of data calculation, suitable for home, school, office, engineering, business, etc..
  • You can also put one at home and one at school, convenient for you to use at any time.
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Scientific Calculator 991es Plus,Natural Writing Number 2 line Display, 417 Functions Calculator

  • 【417 Functions Scientific Calculator】The scientific calculator has 417 functions and covers the most scientific functions what college students need to use at university. Reading instruction attached will help you know how to use and find these functions..
  • 【Written Display Scientific Calculator】Input expressions and arithmetic operations same as written form in the textbook, which is more easy to read than traditional calculators. Written display expression same as textbook,convenient for students to check the calculation process and results..
  • 【Two Way Power Electronic Calculator】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages..
  • 【Ultra-light & Portable】Nice color matching: Matte silver panel & blue back.
  • Size: 162 x 80 x 14(mm)/6.4 x 3.2 x 0.6 (inch).
  • Material: ABS plastic. Convenient to carry it outside and hold it on one hand..
  • 【Plastic Keys】Use high quality plastic keys,and make keys in different area have different shape, to give you the most comfortable experience. Letters printed on keys are super clear..
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OSALO Scientific Calculator 417 Function 2 Line 10+2 Digits Written Display Solar Scientific Calculator (OS 991ES Plus)

  • ...extbook, which is more easy to read than traditional calculators. Written display expression same as textbook,convenient for students to check the calculation process and results..
  • 【Two Way Power Electronic Calculator】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages..
  • 【Ultra-light & Portable】Nice color matching: Matte silver panel & blue back.
  • Size: 162 x 80 x 14(mm)/6.4 x 3.2 x 0.6 (inch).
  • Material: ABS plastic. Convenient to carry it outside and hold it on one hand..
  • 【Plastic Keys】Use high quality plastic keys,and make keys in different area have different shape, to give you the most comfortable experience. Letters printed on keys are super clear..
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Trigonometry Calculator

  • ...arc, radius hexagonal and polygonal dimensions.
  • you just need to know your project’s measurements, the calculator handles the relationship between particular quantities and units. It also solves proportions and ratios..
  • HELPS YOU PREVENT COSTLY MATERIAL WASTE with built-in solutions for welding, metal fabrication, engineering, drafting and more.
  • you can also determine lengths, weights, angles and board feet totals for your material order requirements.
  • the calculator minimizes the math, helping you get the answer you need for your work without fighting through equations.
  • INVALUABLE' TOOL PAYS FOR ITSELF DAILY by reducing headaches, saving time and preventing expensive material errors on all your projects, from the office to the shop floor or in the field. Comes with a protective slide cover, quick reference and pocket reference guide (stores in calculator), one long-life battery and full one-year limited.
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MC - Trigonometry Calculator

  • ...arc, radius hexagonal and polygonal dimensions.
  • you just need to know your project’s measurements, the calculator handles the relationship between particular quantities and units. It also solves proportions and ratios..
  • HELPS YOU PREVENT COSTLY MATERIAL WASTE with built-in solutions for welding, metal fabrication, engineering, drafting and more.
  • you can also determine lengths, weights, angles and board feet totals for your material order requirements.
  • the calculator minimizes the math, helping you get the answer you need for your work without fighting through equations.
  • INVALUABLE' TOOL PAYS FOR ITSELF DAILY by reducing headaches, saving time and preventing expensive material errors on all your projects, from the office to the shop floor or in the field. Comes with a protective slide cover, quick reference and pocket reference guide (stores in calculator), one long-life battery and full one-year limited.
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