Mathematics Lab

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Learning Objectives/experiments
< To observe the neon spectral bands formation in Franck-Hertz tube.
< To record the Franck-Hertz characteristic curve for neon.< To study the effect of filament voltage and anode platevoltage on the characteristic curve.
Feature1. Automatic and Manual mode of operation.2. Ignition layers are visible on tube window.3. Voltage and Current sensors are auto ID.4. Free graph analyzer software.5. Individual 7 segment display for Filament voltage, controlvoltage, Grid voltage and accelerating voltage.6. Traco Power Supply for data logger and sensor.Technical dataFranck Hertz Unit : Mode manual or Data Logging, Voltage1.2-12V, Display 31⁄2 digit LED ScreenGrid (G ) Voltage 0-80, Control Grid (G )Voltage 0-10V, Filament Voltage 0-9V,4mm safety socket used
Neon Tube : Dia. 130 x 26 mm, Filament voltage 6 - 9 V,Control voltage 9V, Accelerating voltageMax. 80 V Counter voltage 1.2 -10 V, 4mmsafety socket, 4mm Plug
Data logger : I/P channels 4, 6 PIN BT connector,resolution 12 bit ADC @ 100 ksps, AnalogI/P0-5 V, O/Pchannels12 bit DAC, AnalogO/P ± 12 V max 10 mA, Current booster1A, Power connector 3PIN, DIN, USBcable
Power Supply : 220V, 50Hz AC, output ± 12 V, 3 PIN DINVoltage Sensor : ±10V, 4mm socket, 6 PIN BTconnectorCurrent Sensor : ±100nA, 4mm socket, 6 PIN BT
connector

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This mathematical model demonstrates and proves thealgebraic identity (a 2 -b 2 ) with the help of colour strips.Made of Acrylic sheet. Magnetic board model.

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Model for the angles formed on two transversely cutparallels. Made of Acrylic sheet.

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Geometric volume shapes for children to discovergeometric relationships and volumes. Each lid and shapeare with match name (except sphere). Shapes includelarge and small cubes, cone, sphere, hemisphere, square / rectangular /hexagonal /pentagonal prism, largeand small triangle prisms, small and large cylinders, triangular / square / hexagonal / pentagonal pyramid.Made of clear moulded plastic, 5cm, 17 pcs. with lid.

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Demonstration model for the sum of the angles in a trianglewith protractors at the corners. The model allows theproduction of triangle of different shapes and demonstratesthat the sum of all the angles of a Triangle is 180 Degree.

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This mathematical model demonstrates and proves thealgebraic identity (a+b) 2 with the help of different colourstrips. Made of Acrylic sheet.

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Demonstration of the circumference of a circle by rollingthe circular disk with guide on a scale(toothed rack) of thesimilar graduations. Made of Acrylic sheet.

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This mathematical model demonstrates and proves thealgebraic identity of (a-b) 2 with the help of colour strips.Made of Acrylic Sheet. Magnetic Hanging Model with clear visibility.

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The given mathematical model demonstrates Pythagoras'theorem composed of squares to find the relationshipbetween the lengths of the sides of a right-angled triangle. Made of Acrylic sheet.

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Model for central and chordal angles of a circle. Differentangles subtended at the circumference are compared withthe corresponding angles subtended at the centre. Made ofAcrylic sheet.

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Model for the sum of the two opposite angles in the chordalquadrilateral with four rulers to set different opposite andalternate angles. Made of Acrylic sheet.

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10cm large geometric volume shapes for children todiscover geometric relationships and volumes. Each lidand shape are with match name ( except sphere ). Shapesinclude "Large & small cubes, cone, sphere, hemisphere,square / rectangular / hexagonal / pentagonal prism, large& small triangle prisms, small and large cylinders,triangular / square / hexagonal / pentagonal pyramids".Made of clear molded plastic, 10cm, 17 pcs. with lid.

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Model for calculating the surface area of a trapezoid. Thetrapezoid can be transformed into a rectangle by inverting two triangles. Magnetic hanging model.

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Trigonometrical functions model. With the help of the pointer and the slider, trigonometrical functions can becalculated in the first Quadrant.

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To measure the angle of any object from the point ofobservation. Facilitates trigonometry and enhances thestudent interest.

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Special Feature:

• Facilitates the study of Algebra
• Magnetic board.
• Teacher can hang it on the wall to demonstrate.
• Long clear visibility.

(a+b+c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca

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Demonstration model of the formula Area = r 2 x 3.14. Themodel is filled with fine sand that fills the one hand the areaof the circle and on other hand the area of squares. Theradius of the circle corresponds to the side length of squares. Made of plastic material.

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Model for the circular calculation with interchangeablecircular parts and calibrations scale for the representationof proper fractions, percentages, angles and values for thetreatment of simple fractions species. Made of Acrylic sheet.

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Model to demonstrate perimeter and surface area of acircle. Bi-coloured circular surface, dissectable intosectors which can be arranged to form a rectangle. Made of Acrylic sheet.

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Model for representing the angle in and around the circle,with a rigid acute angle. Made of Acrylic sheet.

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Model for proportions in and about a circle, for teachingchord rule, secant rule and tangent rule. Made of Acrylic sheet.

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Model for the rule of three, inverse ratio, for multiplicationand division problems. Made of Acrylic sheet.

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Model for the rule of three, direct ratio, represented bymeans of number scales, for multiplication and divisionproblems. Made of Acrylic sheet.

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A fun activity which helps in determining and clearing thecomplete concept of angles to the students. Can beHanged in the classroom.

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Details :

• Use the clear plastic liter cube to teach volume concepts.
• To demonstrate the measurement concepts among students.
• To estimate and use measurement tools to determinelength (including perimeter), area and capacity.
• To estimate volume in Cubic units.
• Made of molded plastic.

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Folding 2D/3D Geometric (11 shapes)Our folding 2D/3D Geo Solids are a excellent tool to takelearning geometry to a new limit. Students can go from2nd to the 3rd dimension using this set o 11 differentGeo solids. Set comes complete with 11 corresponding folding nets in six different colours. Made of molded plastic.

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Demonstrate various shapes in solids and helps thestudents to clear the concept. Also gives the knowledge of2D & 3D concepts.

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Mini set of seven geometric bodies with removable sections for the hand of the student: Cone, cylinder, half sphere, 3-sided prism + pyramid, cube and square pyramid, Fitted in plastic case with transparent cover,including several sections per model.

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Demonstration model for the sum of the angles in aquadrilateral with protractors at the corners to producequadrilateral of any desired shape and to prove that thesum of all the angles of a quadrilateral is 360 Degree.

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Demonstration model of complementary parallelograms with diagonal string and two adjustable internal rulers toform different complementary parallelograms.

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Model to represent a tangent quadrangle. The sum of twoopposite sides of the quadrilateral tangent is constant.

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Details :

• Demonstration Of The Medians Of Triangle Meeting At A Single Point.
• Demonstration Of The Centre Of A Circle Inscribed In A Triangle By Halving The Angles With The Help Of Elastic Thread. 

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A demonstrative magnetic hanging model which helps indetermining the concept of Venn Diagram and its related concepts.

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A fun activity which helps the student to clear the concept of Cone, Ellipse, Parabola & Hyperbola. Modular Approach.

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A set of 51 proportionally sized pieces representing awhole, halves, thirds, quarters, fifths, sixths, eighths, tenths & twelfths in 9 distinct colors with printing on each pieces.

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Six transparent fraction rings that work with our 51 piecefraction circle set to tach decimals, percent, fractions, time, compass degree and decimal percentage with clear base tohold pieces in place while moving around.

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A fun activity which helps in demonstrating the concept of cube. Clears the concept of sides, diagonal etc.

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Helps in study of fraction in a circle. It consist of 51 proportionally sized pieces in 9 distinct colours with fractionprinting on each piece.

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It helps in proving and clearing that the area of similartriangles are in the proportionate ratio of theircorresponding sides. A Magnetic Hanging Model.