The modern way of life requires constant dynamics. By making calculations on a calculator, we significantly save our time, do not risk making mistakes and get an accurate result. Thanks to the invention of this device, many people have forgotten what shortages and errors in calculations are. However, calculator is different from calculator, and if primitive computational functions can be done using a mathematical model, then the most complex calculations can only be done using an engineering one. From now on, there is no need to purchase this miracle of modern technology - just turn to our online engineering calculator for help! The program works without additional installation - just go to the electronic page and get started.
Functions of an online engineering calculator
A mathematical calculator will help you make only primitive calculations. With its help you can do what we were taught in elementary school:
- addition;
- subtraction;
- division;
- multiplication;
- deduction of interest;
- raising a number to a power;
- finding the square root.
Engineering calculator online includes all these and additional functions that are necessary to carry out complex calculations. Now you don’t have to spend extra money on purchasing this device, because you can do the calculations on our website.
In addition to the above, our universal calculator will help you perform the following calculations:
Location:
- sine of angle;
- tangent;
- cosine;
- cotangent;
- arcsine;
- arctangent;
- arc cosine;
- arccotangent.
Online engineering calculator interface
Performing all of the above calculations is quite simple. Our online engineering calculator has a clear interface, and therefore it is very convenient to work with it. In appearance, it completely imitates a real calculator, so you won’t need to study the functions for a long time. Despite this, we include detailed instructions and a description of each key.
Using our program is also beneficial because calculations are made instantly - you do not need to refresh the site page, because the calculator works in flash mode. A huge number of people use our program every day. Among them are students of higher institutions, teachers, architects-designers, scientists and other people interested in the accuracy of calculations. The online engineering calculator does not require downloading or installing additional plugins, so you can start using it right now!
Engineering calculator online
We are happy to present everyone with a free engineering calculator. With its help, any student can quickly and, most importantly, easily perform various types of mathematical calculations online.
The calculator is taken from the site - web 2.0 scientific calculatorA simple and easy-to-use engineering calculator with an unobtrusive and intuitive interface will truly be useful to a wide range of Internet users. Now, whenever you need a calculator, go to our website and use the free engineering calculator.
An engineering calculator can perform both simple arithmetic operations and quite complex mathematical calculations.
Web20calc is an engineering calculator that has a huge number of functions, for example, how to calculate all elementary functions. The calculator also supports trigonometric functions, matrices, logarithms, and even graphing.
Undoubtedly, Web20calc will be of interest to that group of people who, in search of simple solutions, type in search engines the query: online mathematical calculator. A free web application will help you instantly calculate the result of some mathematical expression, for example, subtract, add, divide, extract the root, raise to a power, etc.
In the expression, you can use the operations of exponentiation, addition, subtraction, multiplication, division, percentage, and the PI constant. For complex calculations, parentheses should be included.
Features of the engineering calculator:
1. basic arithmetic operations;
2. working with numbers in a standard form;
3. calculation of trigonometric roots, functions, logarithms, exponentiation;
4. statistical calculations: addition, arithmetic mean or standard deviation;
5. use of memory cells and custom functions of 2 variables;
6. work with angles in radian and degree measures.
The engineering calculator allows the use of a variety of mathematical functions:
Extracting roots (square, cubic, and nth root);
ex (e to the x power), exponential;
trigonometric functions: sine - sin, cosine - cos, tangent - tan;
inverse trigonometric functions: arcsine - sin-1, arccosine - cos-1, arctangent - tan-1;
hyperbolic functions: sine - sinh, cosine - cosh, tangent - tanh;
logarithms: binary logarithm to base two - log2x, decimal logarithm to base ten - log, natural logarithm - ln.
This engineering calculator also includes a quantity calculator with the ability to convert physical quantities for various measurement systems - computer units, distance, weight, time, etc. Using this function, you can instantly convert miles to kilometers, pounds to kilograms, seconds to hours, etc.
To make mathematical calculations, first enter a sequence of mathematical expressions in the appropriate field, then click on the equal sign and see the result. You can enter values directly from the keyboard (for this, the calculator area must be active, therefore, it would be useful to place the cursor in the input field). Among other things, data can be entered using the buttons of the calculator itself.
To build graphs, you should write the function in the input field as indicated in the field with examples or use the toolbar specially designed for this (to go to it, click on the button with the graph icon). To convert values, click Unit; to work with matrices, click Matrix.
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This handy calculator performs basic arithmetic operations (addition, subtraction, multiplication, division) with positive and negative integers and fractions. Actions with percentages, exponentiation, root calculations, and logarithms are available.
Examples are provided for all possible actions. If you need additional features, then open the engineering calculator.
Arithmetic operations
Addition
Addition combines two numbers (addends) into one (sum of numbers).
2 3 =
Subtraction
Subtraction is the inverse operation of addition. Subtraction finds the difference between two numbers (the number being reduced minus the number being subtrahed).
3 − 2 =
Multiplication
Multiplication combines two numbers into one number—the product of numbers. The two original numbers are called the multiplicand and the multiplier.
2 × 3 =
Division
Division is the inverse operation of multiplication. Division finds the quotient of two numbers (the dividend divided by the divisor). Dividing any number by 0 is undefined.
4 ÷ 2 =
Operations with fractions
A fraction is a part of a whole or, more generally, any number of equal parts. A common (simple) fraction consists of a numerator, displayed above (or before) the slash, and a non-zero denominator, displayed below (or after) the slash. Operations with fractions are performed in the same way as with whole numbers.
1 ÷ 2 1 ÷ 4 =
Decimals
A decimal is a fraction whose denominator is not explicitly stated, but is understood as a whole number equal to ten to the power of one (10), two (100), three (1000), and so on.
2. 0 3 =
Finding the reciprocal of a number
Reverse number to x, denoted 1/x or x -1, is a number that, when multiplied by x gives one.
2 1/x =
Actions with interest
Percent - hundredth part (indicated by % ), is used to indicate the proportion of something in relation to the whole.
Finding the percentage of a number
40 × 5% =
Increase (decrease) a number by a percentage
40 5% =
Exponentiation
Exponentiation is a mathematical operation written as x y, including two numbers: base x and exponent (or degree) y. When y- a positive integer, exponentiation corresponds to multiplying the base by itself: that is, x y- product of multiplication of y bases.
2 x y 4 =
Squaring a number
Expression x 2 called "square" x" or " x squared" because the area of a square with side length x equal to x× x or x 2.
2 x 2 =
Cube a number
Expression x 3 called "cube" x" or " x cubed" because the volume of a cube with side length x equals x× x× x or x 3.
2 x 3 =
Raising the number 10 to the power
Exponentiation with a base 10 used to indicate large or small numbers. For example, 299792458 m/s(speed of light in vacuum in meters per second) can be written as 2.99792458 × 10 8 m/s and then round up to 2.998 × 10 8 m/s.
4 10 x =
Used to calculate mathematical expressions online. The calculator visually displays the entered expression and provides the answer with increased accuracy. Performs complex mathematical operations using functions such as trigonometric, logarithmic, factorials, and makes calculations with complex numbers, vectors and matrices, and also allows solve some simple equations(for example, square ones like 3x^2-2x+1=0), for which there is a variable in the key set x. Let's give some important tips on using the calculator:
- With a small screen resolution, the appearance of the calculator changes with the loss of some functions (for example, cotangent).
- Button 2nd in the upper left corner allows you to switch to the keys indicated in the upper corners (instead of sine, go to arcsine, instead of a parenthesis - to a square bracket, etc.).
- The calculator has a wide range of well-known constants (click on the button const).
- Press again = allows you to change the form of display of the result. For example, if the answer is received in the form of an exact expression (constants, roots, etc.), then pressing again = will calculate the expression and give a decimal answer.
- In an engineering calculator, angles are calculated in radians. If you want to set the angle in degrees, then use the multiplier: (pi/180). For example, to enter the expression sin(30°), write the expression: sin(30*(pi/180))
- When working with vectors, write the vector coordinates in parentheses: (a1, a2, a3); when working with matrices - in square ones, while brackets should also separate the rows of the matrix. For example: [,,] is a 3x3 square matrix.
