Decimal calculator



The calculator makes basic and advanced operations with decimals, real numbers and integers. It also shows detailed step-by-step information about calculation procedure. Solve problems with two, three or more decimals in one expression. Add, subtract and multiply decimals step-by-step. This calculator uses addition, subtraction, multiplication or division for calculations on positive or negative decimal numbers, integers, real numbers and whole numbers. This online decimals calculator will help you understand how to add, subtract, multiply or divide decimals.The calculator follows well-known rules for order of operations. The most common mnemonics for remembering this order of operations are:
PEMDAS - Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.
BEDMAS - Brackets, Exponents, Division, Multiplication, Addition, Subtraction
BODMAS - Brackets, Of or Order, Division, Multiplication, Addition, Subtraction.
GEMDAS - Grouping Symbols - brackets (){}, Exponents, Multiplication, Division, Addition, Subtraction.
Be careful, always do multiplication and division before addition and subtraction. Some operators (+ and -) and (* and /) has the same priority and then must evaluate from left to right.



Examples:

• addition of decimals: -1.5 + 2.45
• multiplying decimals: 0.25 * 0.2
• division of a decimals: 5.2 / 0.5
• parenthesis: 3 + 7{4 + 3[2-(8 - 4)×3] + 5}×2
• 2nd power and order of evaluation: 6^2-(2*7+4^2)
• cube root: cuberoot(27)
• Convert fraction to a decimal: 3/4
• decimals and mixed numbers: 1.5 - 1 1/5

Decimals in word problems:

  • Expanded form
    numbers2 What is the expanded form of 0.21?
  • Ratio
    pomer Increase in the ratio 20:4 number 18.5.
  • Rolls
    rohliky Mom bought 13 rolls. Dad ate 3.5 rolls. How many rolls left when Peter yet put two at dinner?
  • Ratio v2
    pomer Decrease in the ratio 12:16 number 13.2.
  • Package
    latky The package was 23 meters of textile. The first day sold 12.3 meters. How many meters of textile remained in the package?
  • Lowest terms
    fractions Reduce to the lowest terms: 32/124
  • Tenths digit
    numbers2 For 10.932, which digit is in the tenths place?
  • Whole numbers
    fractal Pavol wrote down a number that is both rational and a whole number. What is one possible number she could have written down?
  • What is one third
    decimals What is 1/3 as a decimal? Give your answer rounded to 2 decimal places.
  • Sharing chocolate
    chocholate Fredericca and her friends share 6 chocolate bars. They *each* get 0.75 of a chocolate bar. How many friends did Fredericca share the chocolate bar with?
  • Angie
    milk Angie poured 4 cartons of milk, each with 2.4 litres, into a mixing bowl. How many litres of milk were there altogether?
  • Double 5
    numbers2 Peter was thinking of a number. Peter doubles it and gets an answer of 8.6. What was the original number?
  • Equation 11
    rovnice Solve equation: 0=y-1,2.(y-1,5)
  • Andy had
    mince Andy had $5.95 in his pocket. His father gave him another $3.55. How much does Andy have altogether now?
  • Bureaucracy
    bureaucrat 23 people attended the office. 9 of them completed the questionnaire. What is the percentage of all people?
  • Zhiwei
    flasa Zhiwei wants to divide 19 liters of water equally into 6 pots. Find the volume of water in each pot?
  • Rounding
    periodic6 Double round number 727, first to tens, then to hundreds. (double rounding)


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