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# Scientific calculator which one to buy? Who I am
Jordi Pereyra
@jordipereyra
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The 6 Best Scientific Calculators - Ranking 2021

• Casio Scientific Calculator FX 991ES PLUS.
• Casio FX-991EX Scientific Calculator 552 Functions.
• Casio FX-CG50 Graphing Calculator without CAS with Display.
• Sharp ELW506XB-YL Calculator.
• Texas Instruments TI Nspire CX CAS Calculator.
• Hp 35 S Calculator.

## What should a scientific calculator have?

Beyond the type, one of the fundamental requirements in choosing the calculator is the display. If it is not in color, it must have excellent contrast to allow for easy viewing of the data. Better that both screen and numbers are large and above all that the screen is "Writeview".

## Where can I buy a scientific calculator?

Do you need a scientific calculator? Find it on Unieuro! The scientific calculator is an object that cannot be missing on the desk of students and of those who have to do calculations for work.

## How to calculate fractions with the calculator?

Use a calculator. Enter the number displayed at the top of the fraction, press the key to perform the division, enter the number shown at the bottom of the fraction and press the "=" key. As a result, you will get the decimal number corresponding to the starting fraction.

## How do you use the scientific calculator for logarithms?

Through this key it is possible to calculate the logarithm of a number in any base, through the rule: logab = (Ln b) / (Ln a). For example log210 = (Ln 10) / (Ln 2).

## Find 37 related questions

### How to play tic-tac-toe with the scientific calculator?

There are two secret codes that allow you to discover this really curious trick: by typing the code 153349 followed by pressing the + or - keys at the same time, it will be possible to play the classic game of Tetris.

### How do you calculate fractions?

Rule to calculate the fraction of a number

The division is made between the number considered and the denominator of the fraction, and then the result (the quoto) is multiplied by the numerator of the fraction. The number thus calculated will be the quantity expressed by the fraction with respect to the number.

### How do you find an equivalent fraction?

Starting from a fraction we can find an equivalent by multiplying or dividing both the numerator and the denominator by the same number. Two equivalent fractions have the same value. Example: 53 is equivalent to 106. Just multiply above and below by 2!

### How do you simplify the fractions?

To simplify adding and subtracting fractions you must first add or subtract the fractions, then factor the numerator and denominator of the result and finally, if there are any, simplify the factors that are repeated both in the numerator and in the denominator.

### What is Cas in calculators?

The calculator with CAS (Computer Algebra System) graphics is a device that is not limited to performing calculations, but thanks to its backlit color display, it allows you to quickly and immediately highlight the overlaps and implications between the various mathematical and algebraic functions .

### Where is the calculator located?

...
Perform complex calculations
1. You'll see buttons including percentage (%), pi (π), superscript for powers (^), and grouping brackets. ...
2. To switch between degrees and radians, tap DEG or RAD. ...
3. To see more buttons, tap SEND.

### What does scientific calculator mean?

The scientific calculator looks like a common calculator which, however, is enriched with more functions, useful precisely for completing more complex accounts. ... The brands that offer scientific calculators are really many such as Casio, Sony, Sharp and Canon.

### How many types of calculators are there?

Considering the mathematical calculations they are able to perform, the following five types of calculators are distinguished:
• common calculator;
• currency converter;
• scientific calculator;
• graphing calculator;
• financial calculator.

### How long does a scientific calculator last?

The user manual recommends replacing the battery of the Casio FX-350ES Plus at least once every three years, even if it is not yet fully discharged.

### What is the equivalent fraction of 2 quarts?

So fractions 1/2 and 2/4 are equivalent. Let's see the other example, with 2/4 and 4/8 (we always multiply the numerator of the first fraction by the denominator of the second, and then the inverse, denominator of the first by the numerator of the second): 2 x 8 = 16. 4 x 4 = 16.

### What are the fractions equivalent to 2 6?

1/3 = 2/6 = 3/9 = . . . . .

### How do you add the fractions with a different denominator?

The sum (or difference) of fractions with different denominators is equal to a fraction whose denominator is the lcm between the two denominators and the sum (or difference) of the numerators of the equivalent fractions as its numerator.

### How is addition done with fractions?

To add (or subtract) two fractions that have the same denominator, we write a fraction that has: as denominator the same denominator of the given fractions; • as numerator the sum (or the difference) of the numerators. The result is reduced to a minimum, if it is possible.

### How do you calculate 1 5 of a number?

To calculate the value of 1/5, we make 12 divided by 3 (numerator) = 4. We divide 3 because the fifths of which I know the value are 3.

### How to write with the calculator?

Here are some examples.
1. 0.7734 to write HELLO.
2. 376006 or 379009 to write GOOGLE.
3. 0.40404 to write HOHOHO.
4. 14 to write HI.
5. 707 to write LOL.
6. 0.02 to write ZOO.
7. 0.637 to write LEGO.
8. 31138 to write BELLE.

### How to write with the calculator are you beautiful?

Type 0.7738135 for "seibello".

### How do you calculate logarithms?

The number a is called the base of the logarithm, while b is its argument. The logarithm of a number is the exponent x to raise the base a to obtain the argument b or ax = ba ^ x = b ax = b.