![]() If you are, you might be at risk of obesity-related diseases. A popular calculator used by adults is the Body Mass Index or BMI calculator.īMI is a general health indicator that shows if an adult is overweight. Health calculators can tell you if you have a healthy weight. And these days, health trackers are found in smartphones and digital watches. Health CalculatorsĬalculators are useful for keeping track of your health. There are even calculators to help you manage your budget.īelow is a summary of different kinds of calculators and how they help improve our daily lives. You’ll find apps that help estimate arrival time. ![]() Today, you’ll find calculators that can count calories and measure your body fat. And thanks to the internet, many of them are available online. Programmers have developed all kinds of calculators with the help of modern technology. Over the centuries, the abacus evolved into the electronic calculator. Even when basic numeral systems were in place, civilizations continued using them. The first calculating tools were the abacus and counting boards. To address this need, people created ancient calculating contraptions. Once people began trading, merchants needed a tool to keep track of goods they bought and sold. When that was not enough, they used counters such as pebbles or twigs to track quantities. People used their fingers and sometimes their toes to count objects. ![]() This is according to The Abacus: A Brief History, an educational resource hosted by Ryerson University. It’s hard to imagine a world without numbers, let alone count without them. The most ancient calculating device, the abacus, is still used in countries such as Japan, China, Russia, and the Middle East. Meanwhile, non-electronic calculators are still being manufactured. Many of them are solar-powered or run on batteries. With general purpose computing calculators can be represented using software like the below JavaScript calculator.Īside from calculators in cellphones, calculating gadgets are still used today. They allow you to solve calculus, trigonometry, and logarithmic equations. More complex calculators allow you to compute fractions, square roots, and exponents. Most calculators can add, subtract, multiply, and divide numbers. It comes with a keyboard and a small visual display to input numbers. What is a Calculator?Ī calculator is any electronic gadget that allows you to solve math problems easily. Finally, we featured a brief history of the abacus and calculators for everyone to enjoy. These are free links to sites that help children practice their math skills. We also compiled a list of fun, educational calculator games and math resources for kids. Then, we’ll provide a rundown of different types of calculators and what we can learn from using them. In this article, we’ll talk about the calculator and its importance. People use them in engineering, physics, chemistry, and most scientific fields. And though not everyone uses scientific calculators, they are essential for solving problems. For example, we calculate change and measure baking ingredients. Note: To calculate a function, type its code (for example, SQRT for square root), and immediately follow it with the number, angle, or variables in parentheses, as shown in the Syntax column.When you think about it, we calculate things all the time. You can use the math and trigonometry functions in the following table for your equations. Supported math and trigonometry functions You can use the following operators in your equations. For example, Type (6+7) / (4*sqrt(3))= and then press Spacebar to calculate the answer to (6+7) divided by (4 times the square root of 3). For example, type sin(30)= and then press Spacebar. For example, type 48*$129.99= and then press Spacebar to calculate the cost of 48 monthly payments at $129.99 a payment. For example, if the total revenue per year is $215,000, type $215,000/12= and then press Spacebar. Examples of simple calculationsīelow are a few examples of mathematical expressions that OneNote can calculate. If you want only the answer in your notes, after it’s calculated, you can delete the equation that precedes it. To create a new line after the answer, press Enter (instead of Spacebar) after the equal sign. For example, SQRT(3)=, sqrt(3)= or Sqrt(3)= will calculate the same answer. Type the numbers, operators, and functions as one single, continuous string of text.įunction codes are not case-sensitive.
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