Calculator
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Contents |
Shopping Guide - Calculator
What are the types of calculators?
Financial
Ideal for financial calculations and business. The financial calculators have an accumulation of functions to help the entrepreneurs in the management of business.
Scientific
It was made for those who want to solve mathematical and scientific problems and even complex calculations. It is more used by students from areas such as engineering, topography, mathematics, statistics and science.
Graphic
It was made to reproduce graphics in 3-From 2-D and it has as its main feature the easy handling. It is also recommended for students of accurate subjects..
What must a basic calculator have?
Thinking about the calculator as a machine to make accounts and your interest is only that, you will not buy a financial calculator that accumulates various functions. Choose a simple calculator, but a quality one. A basic calculator should bring:
- A source of strength, which can be a battery, a panel to attract the sunlight, or both;
- A display to facilitate its numerals reading. It is usually made of liquid crystal;
- Bring on the keyboard the ten digits (0 to 9)
- decimal point
- Functions arithmetic functions (addition, subtraction, multiplication and division);
- cancellation key
– square root bottom, percentage bottom...
- function of single-number memory, which stores and provides the number whenever you want.
