Best Free online calculator tools
Calculator
Here you will find all the types of the best free online calculator tools that you need in your daily life.
About Online Calculator tools
Every person needs free online calculator tools to do their calculations, like health-related, math-related, physics-related, and even finance-related.
toolstoedit.in is focused on being free, easy to use, and quick to produce results. Now we have 5 best free online calculator tools to make your life easy. Our goal is to become one destination site for free online calculators.
All the tools we created that tools easy to use and have been tested well. If you find any errors or anything else, then you can contact us. Your feedback is valuable to us. We are working on more free online calculator tools to solve every kind of calculation.
why we need to Calculate our BMI?
Calculating your BMI (Body Mass Index) helps you to set your proper fitness goal. It helps you to know whether your weight is healthy or not for your height. So don’t take the risk, calculate your BMI here.
what is the discount calculator?
Discount Calculator helps you to know the exact price you have to pay to seller after applying the discount. It will also show you how much you saved on any products. If you want to calculate the discount, then click here.
What is the EMI calculator?
The EMI Calculator helps you manage your monthly finances. It will help to know how much you need to pay every month for your loan. It will show you the monthly EMI with the basis on the loan amount, annual interest rate, and loan tenure (years). Click here to calculate your EMI.
what is age calculator?
An Age Calculator helps you to know your exact age in years, months, minutes and also in seconds. It will be helpful for your personal records and official forms. Click here to calculate your exact age.
what is percentage calculator?
When you have a percentage calculator, you don’t have to do manual calculations. With the help of a percentage calculator, you can solve problems like finding discounts and percentage increases. Click here to calculate the percentage.
History of the calculator:
The first simple calculator machine is invented in 1623s by Wilhelm Schickard. Wilhelm Schickard was German professor. After that the first widely used calculator machine invented in 1642s, by Blaise Pascal. It is also known as Pascal’s calculator. It is primarily focused on addition and subtraction with multiplication and division achieved through repeated addition and subtraction.
The first electronic calculator was invented in Japan in 1957. The company Casio released the model 14-A calculator, which was the first all-electric compact calculator. The name 14-A shows that the computer has a capacity of 14 digits, and it is the first product whose name starts with the alphabet.
Fun Fact: The initial sale price of 14-A was 48500 JPY (close to 1350 in 1956). By applying an average annual inflation rate of 3.64%, this figure would translate to about $15,646.50 in 2025.
