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Welcome to Mathematics e-bulletin board.

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Welcome to Mathematics e-bulletin board.

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Hi students, you are invited to visit this bulletin, give some comment and like the post you love.

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This is a  bookstore called Zhongshuge Bookstore in China.

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This is a  bookstore called Zhongshuge Bookstore in China.

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Zhongshuge Bookstore has a pretty interesting interior design. This Bookstore uses the mirrored ceiling to reflect back and looks like a unique illusion.
Here's apply refection and symmetry in the bookstore.

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An inclinometer or clinometer is an instrument used for measuring angles of slope (or tilt), elevation, or depression of an object with respect to gravity's direction.

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It is in circle shape. All the points along the outer rim of the wheel are equidistant from the center.  The lights on this one can help you see that a little easier.

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A ruler, sometimes called a rule or line gauge, is a device used in geometry and technical drawing, as well as the engineering and construction industries, to measure distances or draw straight lines. -VERITY VERITINUS 3 CERIA (its actually from Wikipidia, don't tell anyone...)

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A brain full with different size of circle. A circle is a shape with all points the same distance from its center. A circle is named by its center. The parts of a circle include a radius, diameter and a chord. All diameters are chords, but not all chords are diameters.

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A micrometer, sometimes known as a micrometer screw gauge, is a device incorporating a calibrated screw widely used for accurate measurement of components in mechanical engineering and machining as well as most mechanical trades, along with other metrological instruments such as dial, vernier, and digital callipers.

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Shopping is an action or activity of buying goods from shops. We use counting and addition used in order to tell how much money you have. Percentages and addition are used to calculate the purchase price. Then subtraction is used in order to figure out how much change is due.

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Slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line. Sometimes the ratio is expressed as a quotient ("rise over run"), giving the same number for every two distinct points on the same line.

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Geometry and trigonometry can help who want to improve their skill in sports. It can help them find the best way to hit a ball, make a basket or run around the track. Basic knowledge of math also helps keep track of sports scores. - Denver

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A vernier scale is a visual aid to take an accurate measurement reading between two graduation markings on a linear scale by using mechanical interpolation; thereby increasing resolution and reducing measurement uncertainty by using vernier acuity to reduce human estimation error.

The vernier is a subsidiary scale replacing a single measured-value pointer, and has for instance ten divisions equal in distance to nine divisions on the main scale. The interpolated reading is obtained by observing which of the vernier scale graduations is co-incident with a graduation on the main scale, which is easier to perceive than visual estimation between two points. Such an arrangement can go to a higher resolution by using a higher scale ratio, known as the vernier constant. A vernier may be used on circular or straight scales where a simple linear mechanism is adequate. Examples are calipers and micrometers to measure to fine tolerances, on sextants for navigation, on theodolites in surveying, and generally on scientific instruments. The Vernier principle of interpolation is also used for electronic displacement sensors such as absolute encoders to measure linear or rotational movement, as part of an electronic measuring system.

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A protractor is a measuring instrument, typically made of transparent plastic or metal, for measuring angles. Some protractors are simple half-discs. More advanced protractors, such as the bevel protractor, have one or two swinging arms, which can be used to help measure the angle.
_ boleh kah macam tu 😁 Aziz

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Baking requires some mathematical skills too. Every ingredient has to be measured and sometimes you have to make calculations to get the exact amount you need. Some of the examples include converting temperature from Celsius to Fahrenheit, changing the quantities of ingredients provided by a recipe and working out cooking times based on weight.

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It is a building designed by using Pythagorean ratios. It is used as a temple dedicated to the goddess Athena Parthenos (“Athena the Virgin”). It has 69.5 meters long, 30.9 meters wide and 13.7 meters high. Ratio - height: width: length is 16:36:81.

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blueprints that are made by architects require mathematics such as constructing and measuring. Some of the examples are drawing a building in 2D and 3D, and calculating the height and width of the building.

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The tetrahedron is a convex polyhedron with four triangular faces. Basically, it’s a complex pyramid. You’ve seen the same geometric principle used in RPGs, because the dice is shaped the same. Famed architect Walter Netsch applied the concept to the United States Air Force Academy’s Cadet Chapel in Colorado Springs, Colorado. It’s a striking and classic example of modernist architecture, with its row of 17 spires and massive tetrahedron frame that stretches more than 150 feet into the sky.
--FONG XIN TONG

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Sewing and making a shirt, the first thing u need to measure your body. For example, shoulder, chest, waist and others. If this does not apply mathematics concept, the person cannot get the actual length.-- CHLOE LIM KE XUEN

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Before traveling, we need to prepare the budget for the trip, the number of days, the destinations, hotels, adjusting our other work accordingly and many more. Here comes the role of the maths. Basic mathematical concepts and operations are required to be followed to plan a successful trip. -Rachel Iva

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Every hospital has to make the schedule of the timings of the doctors available, the systematic methods of conducting any major surgery, keeping the records of the patients, records of sucess rate of surgeries, number of ambulances required, training for the use of medicines to nurses, prescriptions, scheduling all tasks and so on. All these are done based on mathematical concepts.

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A lot of mathematical concepts, calculations, budgets, estimations, targets, etc., are to be followed to excel in this field. Interior designers plan the interiors based on area and volume calculations to calculate and estimate the proper layout of any room or building. - amberly

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Figuring out the total amount of concrete needed for a slab; accurately measuring lengths, widths, and angles; and estimating project costs are just a few of the many cases in which mathematics is necessary for real-life home improvement/renovation projects.

— Dennis Ochulor

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Ever wondered how a computer works? How easily it completes every task in a proper series of action? The simple reason for this is the application of maths. The fields of mathematics and computing intersect both in computer science. The study of computer applications is next to impossible without maths. The concepts like computation, algorithms, and many more forms the base for different computer applications like powerpoint, word, excel, etc. are impossible to run without maths.

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A compass, also known as a pair of compasses, is a technical drawing instrument that can be used for inscribing circles or arcs. As dividers, they can also be used as tools to measure distances, in particular on maps. Compasses can be used for mathematics, drafting, navigation and other purposes.

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When driving, math is being utilized both in a general understanding, and in actual use.  You use math to make calculations and adjustments as you drive.  You need to understand math skills to know how your vehicle is operating and how the environment is changing around you as you drive. -debbie

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Maps
a map is a diagrammatic representation of an area of land or sea showing physical features, cities, roads, etc.

Mathematics concepts such as measuring and lots more are used by cartograpers in map making. Math helps cartographers with map scale, coordinate systems, and map projection.

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A lot of mathematical concepts, calculations, budgets, estimations, targets, etc., are to be followed to excel in this field. Interior designers plan the interiors based on area and volume calculations to calculate and estimate the proper layout of any room or building. Such concepts form an important part of maths.

The mathematical applications involved are

Geometry

Ratios and Percentages

Mathematical Operations

Calculus and Statistics

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Math is an essential concept of fashion designing. From taking measurements, estimating the quantity and quality of clothes, choosing the color theme, estimating the cost and profit, to produce cloth according to the needs and tastes of the customers, math is followed at every stage.
The mathematical applications are:

Basic Mathematical Operations

Rations and Percentages

Geometry

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A scientific calculator is a type of electronic calculator, usually but not always handheld, designed to calculate problems in science, engineering, and mathematics. They have completely replaced slide rules in traditional applications, and are widely used in both education and professional settings.

-George

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Basketball

The math in basketball involves a wide range of math topics. Kids can practice geometry, percentages and even basic mathematical operations while playing or watching a game of basketball. Whether they realize it or not, basketball players make use of many geometric concepts while playing a game.

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A circle is a shape consisting of all points in a plane that are a given distance from a given point, the centre; equivalently it is the curve traced out by a point that moves in a plane so that its distance from a given point is constant. The distance between any point of the circle and the centre is called the radius. This article is about circles in Euclidean geometry, and, in particular, the Euclidean plane, except where otherwise noted.

Specifically, a circle is a simple closed curve that divides the plane into two regions: an interior and an exterior. In everyday use, the term "circle" may be used interchangeably to refer to either the boundary of the figure, or to the whole figure including its interior; in strict technical usage, the circle is only the boundary and the whole figure is called a disc.

A circle may also be defined as a special kind of ellipse in which the two foci are coincident and the eccentricity is 0, or the two-dimensional shape enclosing the most area per unit perimeter squared, using calculus of variations.

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A stopwatch is a handheld timepiece designed to measure the amount of time that elapses between its activation and deactivation.A large digital version of a stopwatch designed for viewing at a distance, as in a sports stadium, is called a stop clock. In manual timing, the clock is started and stopped by a person pressing a button. In fully automatic time, both starting and stopping are triggered automatically, by sensors. The timing functions are traditionally controlled by two buttons on the case. Pressing the top button starts the timer running, and pressing the button a second time stops it, leaving the elapsed time displayed. A press of the second button then resets the stopwatch to zero. The second button is also used to record split times or lap times. When the split time button is pressed while the watch is running it allows the elapsed time to that point to be read, but the watch mechanism continues running to record total elapsed time. Pressing the split button a second time allows the watch to resume display of total time.
-Beh

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Math shows up in many aspects of cooking and baking, including converting temperature from Celsius to Fahrenheit (and vice versa), changing the quantities of ingredients provided by a recipe and working out cooking times based on weight. -Kong Zhi Hao

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A set square or triangle is an object used in engineering and technical drawing, with the aim of providing a straightedge at a right angle or other particular planar angle to a baseline.  ~Jessica