It's hard to imagine life without a calculator. These small but powerful devices can be found everywhere these days and are used for a variety of tasks. Calculators can perform simple tasks like adding, subtracting, multiplying, and dividing numbers. You can also solve more complex tasks such as currency conversions, trigonometry and statistics. Calculators are usually very easy to use. Most calculators have keys for basic operations plus some additional functions. Some calculators also have a screen that displays the result of a calculation. The first pocket calculators were developed in the 1960s and were very expensive. In the 1970s, the first electronic calculators were developed, which were smaller and cheaper. Today there is a wide variety of calculators to choose from, ranging from simple models to very powerful models.
Behind the simple function of a calculator is a complex algorithm that performs calculations quickly and reliably. Calculators are so common these days that we often don't think about what actually happens when we press the keys. In this article, we're going to take a closer look at calculators and how they work.
Contents
Eco-friendly calculator
- Scientific calculator with natural display, ie fractions, square roots and other mathematical expressions are displayed as in the textbook
- High-resolution LC display with 193 x 63 pixels with four times the resolution of the well-known displays of the FX-DE Plus series
- The calculator FX-991DEX with 696 functions is the most powerful model of technical-scientific calculator
- The storage capacity has been quadrupled and enables extensive statistical calculations with a four times faster processor performance
- The QR code function enables the results to be visualized on a smartphone or tablet.
- Language of the software: German
This pocket calculator is our price-performance winner. The product is characterized by good materials, high user-friendliness and a fair price.
Benefits
- scientific work possible
- particularly large storage capacity
- Lid with different motifs selectable
- 696 different functions
Disadvantages
- prone to pollution
- sometimes complicated to use
Eco-friendly calculator
- The pocket calculator provides quick solutions to math, science and statistical tasks
- With the 10-digit display and the conversion of fractions into decimal representation, the results can be calculated precisely
- The environmentally friendly solar calculator consists of a robust housing made from recycled plastic
- Trigonometric calculations, one-dimensional statistics or conversion from polar to right-angled coordinates are no problem for the computer
- Scope of delivery: The school computer with 3 memories and a protective cover (the item does not need batteries)
This pocket calculator is our price-performance winner. The product is characterized by good materials, high user-friendliness and a fair price.
Benefits
- made from recycled plastic
- powered by solar cells
- no additional batteries necessary
- handy format
Disadvantages
- cheap processing
- not enough features for study
Handy calculator
- 【Scientific Calculator with 417 Functions】The scientific calculator has 417 functions, covering the most scientific functions that college students need in university. The included reading guide will help you use and find these features.
- 【Scientific Calculator with Written Display】Enter expressions and arithmetic operations like the textbook written form, which is easier to read than traditional calculators. Written display expression like textbook, convenient for students to check the calculation process and results.
- 【Electronic two-way power calculator】Solar and battery, double safe uninterruptible power supply, environmental protection and energy saving advantages.
- 【ABS Plastic Keys】Use high-quality plastic keys, let keys have different shapes in different areas to bring you the most comfortable experience. Letters printed on keys are super clear.
- 【Ultra Light and Portable】Nice Color Matching: Matte Silver Panel and Blue Back; Weight: 120g; Size: 162 x 80 x 14 (mm) / 6,4 x 3,2 x 0,6 (inch); Material: ABS plastic. Convenient to carry outside and hold on one hand.
This pocket calculator is a real technological highlight. The device has a modern design and great features.
Benefits
- scientific work possible
- easy-to-understand instructions included
- especially easy
- particularly handy
Disadvantages
- additional batteries required
- looks cheaply made
The most important things about calculators at a glance
A calculator is an indispensable tool for many people. Although they are typically only used for simple math calculations, calculators can also be used for more complex tasks. Calculators are usually small and handy, so you can take them anywhere. Many models also have long battery life, so they're always ready to go.
However, calculators also have some disadvantages. For one, they are prone to errors, especially if not properly maintained. Calculators can also be complicated and finding the right button can be difficult. When you want to use a calculator for a more complex task, finding the right button can be difficult. In addition, calculators are often very expensive.