Calculator is small electronic device used for basic and scientific calculation. but today's modern era calculator is available everywhere. Its present in your mobile phone, in your PC/ Laptop and smart watch, because of its use.
Calculators are used in different way in different industry. but if we are talking about basic calculator is have below function :
Keys function:
Keys
Keys Meaning
0,1,2,3,....,8,9
Standard Number
√
Square Root
+
Addition

Subtraction
х
Multiplication
÷
Division
%
Percentage
C
Reset
Examples of calculations on the online calculator.
Calculate the square root of 625 is 25.
Calculation of percentage of the number of: 100 [ х ] 25 [ % ]. The result is equal to 25.
Calculating what percent is one number of another number: 25 [ ÷ ] 100 [ % ]. The result is equal to 25(%).
Adding percentage to the number: 100 [ + ] 25 [ % ]. The result is equal to 125.
Deduction percentage of the number: 100 [  ] 25 [ % ]. The result is equal to 75.
Use of calculators:
Calculators are used in our schools and colleges by students and teachers.
Calculators are used in shops for making bills.
Calculators are used in exam for fast calculation.
Calculators are used in excel sheet in form of formula.
Calculators are used in banking & finance industry.
Calculators are used in our home for daily calculation.
We have numbers of calculators in our site. All calculators are developed with best programming practice. Our aim is to delivered high quality content to our visitors.
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