أكاديميا - كولنز - معاجم الجيب العلمية - الرياضيات - انكليزي -فرنسي -عربي الحرف ٢_ f

Academia - Collins - Pocket Scientific Dictionaries - Mathematics - English - French - Arabic Letter 2_ F

formula
formule f

Formula. A general rule or result stated in the form of an algebraic equation. Examples include: p=2(I+w) is a formula for the perimeter of a rectangle where I or w represent the length and width of the rectangle.

F=9/5 C+32 is a formula that relates temperatures measured in degrees Fahrenheit (F) to degrees Celsius (C) centigrade.

Α = πR2 is the formula for the area of ​​a circle based on its radius (radius) R.

In the examples above, the letters P, F, and A are called subjects of the formulas. We can change the subject by rearranging the formula.

fract
fraction f

Fraction. A fraction is a part of a whole. The fraction three-quarters is referred to as a rational number, 3/4. The lower number is called the denominator and the upper number is called the numerator.

The area plotted in the above figure represents 5/8 of the whole circle since the circle was divided into eight equal parts and five of them were plotted.

addition

subtraction

multiplication

division

It can be changed Convert a regular fraction to a decimal fraction by dividing the numerator by the denominator. For example:

frequency
fréquence f

Frequency. The frequency of an event is the number of times it occurs. For example: A die is thrown ten times, giving 1, 2, 5, 6, 5, 4, 3, 1, 2, and 1. The frequency of 1 is three, considering that three of the throws gave 1. The results can be entered in a frequency table as follows:

Result 6 5 4 3 2 1

Number of throws (frequency) 1 2 1 1 2 3

The relative frequency here for 5 is:
Frequency 5 / Total number of throws = 0.2

frustum
tronc m

Trunk. The trunk of a solid is any part of it that lies between two parallel planes that intersect it.

Pyramid trunk
Cone trunk

function
function f

Function. A function is a relation between two sets called domain and range, where each member of the domain is related to a precisely defined member of the range called its image.

In a function; the element x in the space f is referred to as the image of x by f(x) and x and f(x)=y are variables.

For example: 2x+ 3 < x describes a function of the set of real numbers for itself.

(number of factors of x > (x describes a function of the set of positive integers for itself.

X > 1/X

Describes a function of the set of real numbers
non-zero (zero has no image) for itself.