Best Mining 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..

... 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..

The robot, which consists of 12 engineering vehicles, can twist its arms and legs..
12 engineering vehicles include: 【excavator】,【timber grab】,【crane】,【mining truck】, 【mixing truck】, 【earth-moving....
Each model has two combined modes,12+12+1=25，25 ways to play！！.

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.

...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.

IP 66 waterproof cable connectors for cables with diameters 5.5-10mm.
Features: waterproof,moisture proof, sunscreen, anti-corrosion, durable for years use..
Easy to operate and repair, no cable cutting, more convenient and safer..
Dimensions: 115 x 95 x 50mm/ 4.5x 3.7x 2 inch. Suitable for LED billboards, LED tunnel lights, LED road landscape lighting, LED outdoor display, LED garden lights ect..
Further applications in coastal, river, sea or underwater engineering, underground engineering, mining engineering, solar-wind power, solar water heaters, various machinery and equipment..

IP68 Waterproof Electrical Junction Box -- Made of high quality material, rubber washers design, moisture proof / dust proof, it is safe for interior, garden, outdoor lighting connector..
Cable connectors coupler Dimensions --115 x 95 x 50mm, cables diameters -- 5.5-10.2mm (ideal for 2.5mm flat T&E cable).
With 3 Way Design -- This waterproof junction box is available for 2 Poles or 3 Poles cable connection.
Easy to repair -- No cable cutting / Increased flexibility.
APPLICATIONS:Suitable for LED billboards, LED tunnel lights, LED Road landscape lighting, LED outdoor display, LED garden lights.Further applications in coastal, river, sea or underwater engineering, underground engineering, mining engineering, solar-wind power, solar water heaters, various machinery and equipment..

...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.

...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.