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An algebra calculator is an electronic device designed for solving math problems and typically linear equations, quadratic equations, absolute equations, polynomial equations and inequalities. Its functions also include such algebraic properties as radical expressions, fractional exponents, absolute value, final value, and logarithms. The default options like addition, subtraction, division, multiplication, exponentiation and finding square root are also present.

Algebra calculators can be found in the form of a portable device, as they generally are online calculators. The digital version allows users to easily access all standard functions along with more advanced ones like induction and boolean algebra, which a portable calculator might not include. Algebra calculator websites also provide detailed explanations for problem solutions and various examples of every function available.

The main types of calculator available online are:

A Basic calculator is intended for simple arithmetic calculations: addition, subtraction, multiplication, and division. If you need to know how much is 15*12, then it is the type to use.

A scientific calculator is used in the fields of physics, chemistry, engineering, and trigonometry. It can be used to solve trigonometric functions, exponent and fraction calculations, etc .

Graphing calculators are designed for the same purposes as a scientific calculator, but they have a visual representation of the input on display.

Last, there are business calculators which are used for financial purposes. Its keypad contains buttons for interest rate, amortization, etc.

An algebra calculator, as you can see, is practically a combination of basic and scientific calculators. It includes all the necessary functions for natural science and algebraic issues. Its digital version creates a possibility for updates and extensions.

The main reasons for having an algebra calculator are:

You are a high school or college student. Calculators are required for math, economics and science classes in educational institutions. Students typically use them to spend less time solving quadratic equations, finding square root and determining percent change.

You are a scientist or an engineer. Algebra calculators, especially those with graph display option, are essential for complex calculation performed by specialists in those fields.

For financial calculations. Basic loan and interest calculations can be interchanged by a simple 4-function calculator. But if you need to find compound interest or calculate inflations, an algebra calculator is the way to go.

An algebra calculator can be used to add (x+y=z), subtract (x-y=z), divide (x÷y=z) and multiply (x*y=z). It easily determines square root (sqrt or √), exponent (^) and fractions (x/y).

The calculator is perfect for solving quadratic equations, linear, rational, biquadratic, polynomial, radical, logarithmic, exponential, absolute, complex, matrix, and roots equations.

It can also find values for linear and nonlinear system of equation.

It can similarly be used for quadratic, linear, absolute, radical, logarithmic, exponential and compound inequalities. As well as for the system of inequalities.

All algebra calculators include logarithmic (log) and exponential (exp) functions. Most of them also include trigonometric functions, such as:

Sine function (SIN),

Arcsine function (SIN-1),

Cosine function (COS),

Arccosine function (COS-1),

Tangent function (TAN),

Arctangent function (TAN-1).

An extended keypad will also include arc-functions.

Other options include factorization, series and progressions and statistics calculations.

A handheld algebra (scientific) calculator has several important technical keys: store, which puts a number in the memory (STO, Store), and recall, pressed to check the memorized number.

The portable version of an algebra calculator is a scientific calculator. Here are tips that we included in our article about scientific calculator.

First and foremost, you can study the keyboard and what units it is divided into. There are digits (from 0 to 9), basic arithmetic operations (including powers and roots), function keys (e.g., sin, cos, tan, log, exp), service buttons (on, mode, cursor control, shift, delete, and all clear).

We recommend you try to press different buttons to learn what they do from experience. If you use an online calculator, make sure to choose the most convenient input method for you: computer keyboard or mouse click. The default settings are usually mouse/touchpad clicks.

It is important to learn how your calculator determines the order of operations. For example, you need to calculate 8 + 7*2. The correct answer is 22 because multiplication is done before the addition. The calculator might be programmed differently and calculate 8 + 7 first. To avoid this, you should put 7*2 in parentheses: 8 + (7 * 2).

An important side note on the minus sign. A scientific calculator typically has two different keys for subtraction and negative numbers. The negatives' minus is depicted included in parentheses: (-).

You need to press the fraction template button and enter the numerator first, and then, by navigating down with cursor control, enter the denominator.

You should either press the digit and then press sqrt, or vice versa. Find out how your calculator works.

With powers, it is also important to know the correct order for your calculator. For instance, you can click number 3 - power key - number 4. If the answer is 81, then 3 is raised to the power of 4. But it can also be 64 because 4 raised to the power of 3. Experiment and learn the peculiarities of your calculator's keyboard.

Logarithms to base 10 are to be found under the 'log' key. Natural logarithms can be accessed by pressing the 'ln' button.

The result of your calculations can be as large as 10 raised to the power of 10. In this case, the calculator will automatically display the number as a scientific notation. Moreover, you can input such numbers using a scientific notation button (usually placed at the bottom of the calculator).

Degrees or Radians. At the top of the display, you can see the letters D or R. They show which units are used to express the angles. To change one to another, click SHIFT + MODE.

Order.

You can use the cursor control button to shift to the place in the equation that requires correction. Button DEL is the one you would use to erase one symbol, and if you press AC, you will clear the entire display.

An online algebra calculator can be used intuitively. There is always an input box and a pad with all possible functions listed. You need to type your problem into the box and press the 'solve' button. Once you entered, for instance, an equation like 7x + 2 = 30 and pressed the button, you will be given a step-by-step explanation of the solution.

Subtract from both sides of the equation.

7x - 2

**- 2**= 30 - 27x = 28

Divide each side by 7.

7x

**/7**= 28**/7**x = 4

Some algebra calculators even include presets and examples for different types of algebraic problems. If that is the case, you can select the topic of your interest in the menu and study what it offers.

To calculate the amount of money you will need to repay using an algebra calculator, you must know the simple interest formula: I = P * r* *** *T.

P stands for the principal amount, r stands for the APR and T is the loan's time period. For example: P = $4,000, r = 4,5% and T = 4 (years).

First, you need to express 4,5% in decimal form, which is 0,045. Then you just calculate I by multiplication of all the components.

I = 4,000 *0,045* ** 4

I = 720

The simple interest is $720.

The only step left is to add this number to the principle loan amount: 4,000 + 720 = 4,720

You will need to repay $ 4,720 in 4 years.

The algebra calculator is a calculator that provides detailed, step-by-step solutions for algebraic expressions.

An algebra calculator can be used to evaluate a loan, determine simple interest and much more.

You can purchase a handheld scientific calculator or access an online algebra calculator for these purposes.