CN202608360U - Multifunctional mathematic ruler with calculator - Google Patents

Abstract

A multifunctional mathematical ruler with a calculator. It involves a teaching aid used by university mathematics teachers. Using this multifunctional mathematical ruler in college mathematics teaching, you only need to use a mathematical ruler to draw various geometric figures; when you need to perform mathematical calculations, you only need to use the multifunctional mathematical ruler It can be completed by a calculator, which provides convenience for mathematics teachers to teach. The shape of the multifunctional math ruler is semicircular. Two right-angled triangle holes are provided on the semicircular multifunctional math ruler. The semicircular multifunctional math ruler Near the end face of the arc, there is a scale line for measuring angles. The multifunctional mathematical ruler with a semicircular shape is provided with circular holes, oval holes, pentagonal holes and hexagonal holes. The shape of the ruler surface is There is a calculator on the semicircular multifunctional math ruler. The utility model is used in university mathematics classes and provides convenience for mathematics teachers to teach.

Description

A multifunctional mathematical ruler with a calculator

technical field

The utility model relates to a teaching aid used by university mathematics teachers, in particular to a multifunctional mathematics ruler with a calculator.

Background technique

At present, in the mathematics teaching of universities, the commonly used mathematics teaching tools include right-angled triangles, protractors, etc. When attending mathematics class, need to be equipped with above-mentioned several kinds of mathematics teaching aids simultaneously. For some geometric figures, such as pentagons, hexagons, etc., it is difficult to draw the figures quickly and accurately with the above-mentioned mathematical teaching aids, which affects the smooth progress of mathematics teaching; when calculations are required in teaching, it is also necessary to A calculator is provided in addition, which brings trouble to mathematics teaching.

Utility model content

The purpose of this utility model is to provide a kind of multifunctional mathematical ruler with calculator, use this multifunctional mathematical ruler in university mathematics teaching, only need to use a mathematical ruler to draw various geometric figures conveniently; When it is necessary to perform calculations in teaching, it can be completed only by using the calculator arranged on the multifunctional mathematical ruler, which provides convenience for teaching mathematics teachers.

Realize above-mentioned purpose, the technical scheme that the utility model takes is:

A multifunctional mathematical ruler with a calculator, the multifunctional mathematical ruler has a semicircular shape, and two right triangles are arranged on the semicircular multifunctional mathematical ruler Holes, two right-angled triangular holes are arranged symmetrically with respect to the center line of the multi-functional mathematical ruler of semicircle, and two right-angled adjacent settings of the two right-angled triangle holes, two right-angled triangle holes Set near the straight end face of the semicircular multifunctional mathematical ruler whose ruler surface is semicircular in shape. The semicircular multifunctional mathematical ruler is provided with a measuring angle scale line near the arc end surface, and the ruler surface shape is The semicircular multifunctional mathematical ruler is provided with circular holes, oval holes, pentagonal holes and hexagonal holes, and the semicircular multifunctional mathematical ruler is provided with a calculator.

The multi-functional mathematical ruler with a semicircular surface shape is integrally formed with a handle close to the straight end surface.

The beneficial effect of the utility model relative to the prior art is: the multifunctional math ruler of the utility model, a ruler can completely replace a right-angled triangular plate, a protractor, etc. Various geometric figures can be drawn, and when calculations are required in teaching, only the calculator provided on the multifunctional mathematical ruler can be used to complete the calculation, which provides convenience for mathematics teachers in teaching.

Description of drawings

Fig. 1 is the top view of a kind of multifunctional math ruler with calculator of the present utility model;

Fig. 2 is a front view of Fig. 1 .

Among them, the multi-functional mathematical ruler with a semicircular ruler surface shape 1, right-angled triangle hole 2, straight end surface 3, arc end surface 4, measuring angle scale line 5, circular hole 6, oval hole 7, pentagonal Hole 8, hexagonal hole 9, calculator 10, handle 11.

Detailed ways

As shown in Fig. 1, 2, a kind of multifunctional mathematics ruler with calculator, the ruler surface shape of described multifunctional mathematics ruler is a semicircle, and the ruler surface shape is a semicircular multifunctional mathematics ruler. Chi 1 is provided with two right-angled triangle holes 2, and two right-angled triangle holes 2 are arranged symmetrically with respect to the center line of the multi-function mathematics ruler 1 of semicircle with respect to described ruler face shape, and two right-angled triangle holes 2 The two right angles are adjacent to each other, and the two right-angled triangle holes 2 are arranged near the straight end face 3 of the semicircular multifunctional mathematical ruler 1, and the semicircular multifunctional mathematical ruler 1 is arranged on the ruler surface. There are measuring angle scale marks 5 at 4 places close to the end face of the arc, and the multifunctional mathematical ruler 1 with a semicircular shape is provided with a circular hole 6, an oval hole 7, a pentagonal hole 8 and a hexagonal hole. Shaped hole 9, the ruler face shape is provided with calculator 10 on the semicircular multifunctional math ruler 1, and described ruler face shape is near the straight end face 3 places one system on the semicircular multifunctional math ruler 1 Become handle 11. It is convenient for the teacher to hold the multifunctional mathematical ruler 1 whose ruler surface is semicircular in shape.

A circle can be drawn by the circular hole 6, an ellipse can be drawn by the oval hole 7, a pentagonal figure can be drawn by the pentagonal hole 8, and a hexagonal figure can be drawn by the hexagonal hole 9.

Claims (2)

1. a multifunctional mathmatical that has calculator is used chi; It is characterized in that: described multifunctional mathmatical is shaped as semicircle with the chi face of chi; The chi face is shaped as semicircular multifunctional mathmatical and is provided with two right angled triangle holes (2) with chi (1); Two right angled triangle holes (2) are shaped as semicircular multifunctional mathmatical with respect to described chi face and are symmetrical set with the center line of chi (1); And two adjacent settings in right angle in two right angled triangle holes (2); Two right angled triangle holes (2) are shaped as straight end face (3) setting of semicircular multifunctional mathmatical with chi (1) near this chi face; The chi face is shaped as semicircular multifunctional mathmatical and upward locates to be provided with angle measuring calibration line (5) near circular arc end face (4) with chi (1), and the chi face is shaped as semicircular multifunctional mathmatical and is provided with circular port (6), slotted eye (7), pentagon hole (8) and hexagonal hole (9) with chi (1), and the chi face is shaped as semicircular multifunctional mathmatical and is provided with calculator (10) with chi (1).

2. a kind of multifunctional mathmatical that has calculator as claimed in claim 1 is used chi, it is characterized in that: described chi face is shaped as semicircular multifunctional mathmatical and upward locates to be made into integration handle (11) near straight end face (3) with chi (1).

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