abacus
nounan object used for counting or doing simple calculations, consisting of a frame with small balls in a row
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an object used for counting or doing simple calculations, consisting of a frame with small balls in a row
a set of rules for solving problems or doing calculations, especially rules that a computer uses
maths an amount that is calculated by adding several numbers together and dividing the total by the original number of things you added together
maths in mathematics, an expression that has two parts connected by the sign + or the sign –, for example 2x + 3y or x – 12
the counting of numbers backward, for example from ten to zero, before something important happens
a position that comes after the decimal point in a decimal. 0.0164 has four decimal places
maths the difference between one number or measurement in a series and the average of all the numbers or measurements in the series
maths a calculation in mathematics of how many times a number is contained in a larger number
maths a small number or letter written above and to the right of another number to show how many times you should multiply that number by itself
informal a calculation of the size, value, or amount of something when all the facts are not available to you
in mathematics, the number of times that a number must be multiplied by itself in order to produce a particular number
formal the study or use of numbers and shapes to calculate, represent, or describe things. Mathematics includes arithmetic, geometry, and algebra
maths an arrangement of numbers or symbols in a pattern from top to bottom and from left to right, used for solving problems in mathematics
a list that shows the results of multiplying all the combinations of two numbers between 1 and 12 together
a set of written signs or shapes that are used in something such as music or mathematics
a calculation of the way that something will change and develop in the future, especially of how fast it will grow or become smaller
maths a problem or statement in mathematics or logic that must be solved or proved true or false
an equation in which a variable (=quantity that can represent different amounts) is multiplied by itself once only
maths a letter representing a number that can change depending on the other numbers in an equation
maths if one mathematical quantity is a function of another, it changes according to how the second quantity changes
the amount by which a number or calculation may be different from the correct one without causing a problem

giving birth to a baby in the presence of a large number of close relatives and/or friends
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Open Dictionary
a condition when a person cannot see clearly objects that are close; long sightedness
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