![]() The Significant Figures Calculator by Quentin Truong. You may be at university and need to calculate your weighted grade.Īnd, if you find yoursefl needing some assistance with rounding calculations to significant figures, check out You may, for example, wish to add, subtract, multiply, divide or simplify fractions. The Calculator Site features a number of popular math and education calculators. then you should enter 1.234 into the Decimal number box and 3 into the Trailing decimal places to repeatīox (signifying that the last 3 digits of the number should repeat). For other non-repeating decimals, keep the default setting at 0.Īs an example, if you want to convert a repeating decimal such as 1.234. Number of digits from the end of the decimal to repeat. Our calculator gives you the opportunity to represent repeating decimals by entering a figure into the 'Number of trailing decimal places to repeat' box. You can use our decimal to fraction calculator to check your calculation answers or to get help with figuring out the methodology behind converting a decimal number to a fraction.Īs well as providing a result for your calculation, we also show you how the answer was achieved. One example of an irrational number is pi (3.14159265.) There's just no reasoning with them. These are called "irrational numbers",Īnd with good reason. If you manage to find a number which simply can't become a fraction, then don't be too hard on yourself. Should you have a whole number at the beginning of your decimal (6.45), you can simply remove it to work out your decimal, then include it again at the end (Example: 6 and 9/20). Find the 'Greatest Common Factor' (the highest number that divides exactly into both the numerator and the denominator).Įxample: Both 45 and 100 are multiples of 5, so we can divide both numbers by 5.
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