KR102353713B1 - A multi-type abacus - Google Patents

Abstract

A multi-type abacus according to one embodiment of the present invention comprises: a natural number abacus wherein 10 abacus grains are arranged vertically for each seat; and a pair of white boards provided on a back surface of the natural number abacus and displayed with a Go board that slides to a side surface, wherein the abacus stone has a different color for each preset digit number. Therefore, the present invention is capable of having an effect of being able to do subtractions.

Description

A multi-type abacus

The present invention relates to a multi-type abacus.

In general, the abacus is called a numpad or arithmetic plate, and it is a simple calculation tool that performs addition, subtraction, multiplication, and division calculations by number arithmetic. The abacus is composed of an abacus composed of an upper egg and a lower egg on the abacus frame and a seat in which the abacus moves. The abacus derives the desired calculation result while the user moves the abacus on the seat.

Accordingly, the present invention is to introduce a multi-type abacus capable of calculating natural numbers, multiplication, division, and decimal/fraction differently from the conventional abacus calculated only by natural numbers and multiplication.

Public Utility Model Publication No. 20-2016-0003903

An object of the present invention is to provide a multi-type abacus capable of calculating natural numbers, multiplication, division, decimal and fractional numbers.

Multi-type abacus according to an embodiment of the present invention for solving the above problems is an abacus frame in which 10 abacus grains are arranged vertically for each seat; It is provided on the back side of the abacus frame and includes a pair of white boards marked with checkerboards that slide in the lateral and downward directions, and the abacus grains have different colors for each preset number of digits.

In one embodiment, the pair of white boards is characterized in that 10 columns are displayed horizontally and vertically, and each column is a space for displaying the number of abacus in the corresponding place.

In one embodiment, it is located on the lower surface of the natural number abacus and further includes a lifting/lowering plate for performing decimal raising and lowering, wherein the raising/lowering plate is formed on the side surface of the natural number abacus. and a sliding member sliding along the sliding groove.

In one embodiment, further comprising a decimal/fractional abacus that is detachable from the side surface of the natural number abacus, wherein the fractional/fractional abacus includes a plurality of vertical seats and horizontal seats, wherein the vertical seatholders 10 abacus is arranged in the abacus, a plurality of abacus is arranged on the horizontal seat, and is bound with a divider for dividing the abacus arranged on the horizontal seat corresponding to the base system desired by the user do.

In one embodiment, 1/10, 1/100, 1/1000, and 1/10000 decimal points are displayed on the upper part of the vertical seat of the decimal/fractional abacus.

In one embodiment, the decimal/fractional abacus frame is characterized in that it includes a white board for displaying the number of abacus of the vertical seat.

When using the multi-type abacus according to an embodiment of the present invention, when 10 abacus is full (when it becomes 10 based on the decimal system), it is possible to raise and lower the abacus while actually performing the subtraction with the abacus. There is an advantage that you can.

In addition, there is an advantage that the multiplication formula can be used as an abacus regardless of the number of digits, and division can be performed on the abacus.

For example, in the case of 27/3, division is possible by placing 27 on the abacus and using the up/down board as the board to indicate the quotient and lower the abacus by the quotient.

In addition, it is possible to attach a grid-patterned whiteboard on which calculation formulas and procedures can be written in a slide format (by writing the numbers in the grid pattern, so that the digit is not wrong), and to express fractions with decimals and denominators of 10 on an abacus, A divider is provided to understand the process and principle of representing a fraction whose denominator is not 10 on a vertical line with an abacus.

1 is an exemplary view showing a multi-type abacus according to an embodiment of the present invention.
2 is an exemplary diagram for explaining the operation between the abacus frame and the lifting/lowering plate.
3 is an exemplary view showing the combined form of the abacus frame and the lifting/lowering plate.
4 is an exemplary view showing the shape of a decimal/fractional abacus.
5 is an exemplary diagram illustrating a process of calculating a fraction using the decimal/fraction abacus shown in FIG. 4 .
6 is a side view of a divider coupled to the horizontal seat table shown in FIG. 4 .
7 is an exemplary view showing a form in which the illustrated natural number abacus and decimal/fractional abacus are combined.
8 is an exemplary view showing an example of a natural number and a decimal/fraction combined number through the present invention.

Hereinafter, embodiments of the present specification will be described with reference to the accompanying drawings. However, it should be understood that the technology described herein is not limited to specific embodiments, and includes various modifications, equivalents, and/or alternatives of the embodiments of the present specification. . In connection with the description of the drawings, like reference numerals may be used for like components. In this specification, expressions such as “have,” “may have,” “include,” or “may include” indicate the presence of a corresponding characteristic (eg, a numerical value, function, operation, or component such as a part). and does not exclude the presence of additional features.

In this specification, expressions such as "A or B," "at least one of A and/and B," or "one or more of A or/and B" may include all possible combinations of the items listed together. . For example, "A or B," "at least one of A and B," or "at least one of A or B" means (1) includes at least one A, (2) includes at least one B; Or (3) it may refer to all cases including both at least one A and at least one B.

As used herein, expressions such as "first," "second," "first," or "second," can modify various elements, regardless of order and/or importance, and refer to one element. It is used only to distinguish it from other components, and does not limit the components. For example, the first user equipment and the second user equipment may represent different user equipment regardless of order or importance. For example, without departing from the scope of the rights described herein, a first component may be referred to as a second component, and similarly, the second component may also be renamed as a first component.

Hereinafter, a multi-type abacus according to an embodiment of the present invention will be described in more detail based on the accompanying drawings.

1 is an exemplary view showing a multi-type abacus according to an embodiment of the present invention, FIG. 2 is an exemplary view for explaining the operation between the abacus frame and the lifting/lowering plate, and FIG. 3 is the abacus frame and the receiving/lowering plate. It is an exemplary view showing the combined form of the plates, Figure 4 is an exemplary view showing the shape of the decimal / fraction abacus, Figure 5 is an exemplary view explaining the process of calculating a fraction using the decimal / fraction abacus shown in Fig. , FIG. 6 is an exemplary side view of a divider coupled to the horizontal seat holder shown in FIG. 4 , and FIG. 7 is an exemplary view showing the combined form of the abacus frame shown in FIG. 1 and the decimal/fraction abacus.

First, as shown in FIG. 1, the multi-type abacus 100 according to the embodiment of the present invention is a configuration for addition, subtraction, multiplication and division of natural numbers, and a natural number abacus 110 and a whiteboard 120. includes

The natural number abacus frame 110 is composed of an abacus grain (a) and a seat (b). The digit (b) represents the number of digits. As for the abacus disclosed in the natural number abacus frame 110 of the present application, 10 abacus grains are provided for each digit of the abacus.

It may include a pair of white boards provided on the back side of the natural number abacus frame 110 and marked with a checkerboard that slides in the lateral and downward directions.

Here, the white board positioned in the lower direction may be a space for writing down the number of abacus eggs positioned at each pedestal, and the white board positioned in the lateral direction may be a space for writing calculation formulas for each digit.

It may be a configuration displayed in a checkerboard shape rather than white positioned in the lateral direction.

Next, the abacus (a) has a different color every three or four digits for the user's digit identification.

For example, one unit to one thousand units may be displayed in black, ten thousand units to ten million units may be displayed in blue, and billion units to 100 billion units may be displayed in red.

In addition, the multi-type abacus 100 shown in FIG. 1 may further include a lifting/lowering plate 130 with reference to FIG. 3 .

The raising/lowering plate 130 is a plate with a variable position by being coupled with a hinge provided in the natural number abacus frame 110, and is initially located under the natural number abacus frame 110. When a user uses it, It can be moved to the upper part of the main plate 110 through a sliding member to be described below, and after moving the lifting/lowering plate 130 , the user performs decimal raising and lowering. That is, it may be a configuration for visually confirming the lowering and lowering of 10, 100, 1000, and the like. That is, the raising/lowering board 130 may be configured to display quotients of addition, subtraction, multiplication, and division.

For example, in the case of addition, when 10 abacus of one digit is full, it can be confirmed that the number 10 is recorded by picking up one abacus of the raising/lowering board.

That is, when calculating 459+397+259, the numbers for each digit of one digit, ten digit, and hundred digit are summed up for each digit, and when the sum is 10, the abacus of the corresponding digit of the rounding/down board 130 is You can check the number (number) received by receiving 1 egg. The same method applies to subtraction.

Next, in the case of multiplication, if 45X76 is calculated, first, for the quotient for 45X6, 3, which is the quotient of 5X6, and 4, which is the quotient of 40X6, are raised to the tens digit of the rounding/lowering board 130 for the quotient of 45X6, and the number of hundreds 2 is taken up in

After that, ② with respect to the share to 45 X70, the share of 3 (5 X 70) is raised in the hundred's place, and thereafter, 8 (the hundred's share to 40 X70) is raised in the hundred's place, 10 is satisfied, the number of thousands 1 abacus of abacus is picked up.

After that, in the place of the thousand, 2 + the share of a hundred, which is the share of a thousand to 40 X 70, is satisfied by 10, and the 1 raised in the order of the thousand is added up to finally calculate '3420'.

Next, in the case of division, when calculating 27/3, it can be confirmed that a total of 9 abacus is raised by placing 27 on the abacus and lowering the abacus by 3, for example, by placing 27 on the abacus and raising/lowering the abacus. , it is possible to visually discern the principle of multiplication table through this.

The above-mentioned example is explained based on the most basic number for explaining the principle of division using the rounding/downboard, and even if a number in units such as one thousand and one hundred thousand is divided, the rounding/downboarding board 130 ), division can be done easily.

Meanwhile, the lifting/lowering plate 130 includes a sliding member 131 that slides along the sliding groove 101 formed on the side surface of the natural number main plate 110 .

The sliding member 131 may include a rotatable configuration with a preset radius.

Accordingly, the lifting/lowering plate 130 may move to the left along the sliding groove 101 and then rotate to move to the front end of the main plate 110 .

Next, the multi-type abacus 100 of the present invention may further include a decimal/fraction abacus 200 for calculating decimals and fractions, referring to FIGS. 5 and 6, and the decimal/fractional abacus 200 is a decimal number. It may be composed of a / fountain abacus frame 210 , divider 220 , and whiteboard 230 .

The decimal/fractional abacus frame 210 includes a plurality of vertical seat tables 211 and horizontal seats 212, and the vertical seat tables 211 have 10 abacus grains arranged therein, and the horizontal seat seats 211 The stand 212 is arranged with a plurality of abacus grains.

Here, when 1/10, 1/100, 1/1000, and 1/10000 decimal points are displayed on the upper part of the vertical seat 211 of the decimal/fractional abacus 210, the vertical seat 211 is may be a configuration for expressing and calculating a fraction having a denominator of 10, as described above.

Referring to FIG. 8 , when the natural number abacus 110 and the decimal/fractional abacus 210 are combined, it may represent a combined number of natural numbers and decimals/fractions. For example, 1.23 is the number 1 of one of the abacus 110 and the abacus 200 by moving the abacus (a) as many as 2 in the 0.1 digit and 3 in the 0.01 digit. Also, mixed fractions of 1 and 2/10 can be expressed on the abacus. Existing abacus could not represent decimals and fractions, so natural numbers and decimals/fractions were taught segmentally. it seems that you can

The horizontal seat 212 may be configured to calculate a fraction whose denominator is not 10.

The divider 220 is configured to divide the abacus arranged in the horizontal line corresponding to the base system desired by the user (eg, ternary system, quaternary system, pentagonal system, etc.) It may be a bar in which the fitting grooves are formed.

Here, the white board 230 may be a space for displaying the number of abacus eggs in a vertical line.

In addition, the fractional/fractional abacus 200 may further include a detachable means (not shown) that can be detached from the natural water abacus 210, and the detachable means (not shown) is detachable such as an insertion type, a magnet type, etc. Any form is possible.

On the other hand, the decimal/fractional abacus 210 mentioned in the present invention may further include a side white board that moves laterally, in the same way as the natural number abacus, wherein the side white board is a moving means for moving in a sliding operation. may further include.

Therefore, using the multi-type abacus according to an embodiment of the present invention, when 10 abacus is full (when it becomes 10 based on the decimal system), it is possible to raise and lower the abacus while actually doing the subtraction with the abacus. has the advantage of being able to

In addition, there is an advantage that the multiplication formula can be used as an abacus regardless of the number of digits, and division can be performed on the abacus.

For example, in the case of 27/3, division is possible by placing 27 on the abacus and using the up/down board as the board to indicate the quotient and lower the abacus by the quotient.

In addition, it is possible to attach a grid-patterned whiteboard on which calculation formulas and procedures can be written in a slide format (by writing the numbers in the grid pattern, so that the digit is not wrong), and to express fractions with decimals and denominators of 10 on an abacus, A divider is provided to understand the process and principle of representing a fraction whose denominator is not 10 on a vertical line with an abacus.

Although specific embodiments according to the present invention have been described so far, various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, and should be defined by the following claims as well as the claims and equivalents.

As described above, although the present invention has been described with reference to limited embodiments and drawings, the present invention is not limited to the above-described embodiments, which are various modifications and variations from these descriptions by those skilled in the art to which the present invention pertains. Transformation is possible. Accordingly, the spirit of the present invention should be understood only by the claims described below, and all equivalents or equivalent modifications thereof will fall within the scope of the spirit of the present invention.

100: multi-type abacus
110: abacus
120: whiteboard
a: abacus
b: seat
200: decimal/fraction abacus
210: abacus frame
211: vertical seat
212: horizontal seat
220: sharer
230: whiteboard

Claims (6)

A natural number abacus in which 10 abacus grains are arranged vertically for each seat;
a pair of white boards provided on the back side of the natural number abacus frame and displaying a checkerboard that slides to the side; and
It is located on the lower surface of the natural number abacus frame, and includes a raising/lowering board that performs raising and lowering of the decimal system,
The receiving/lowering plate includes a sliding member sliding along a sliding groove formed on the side surface of the natural number main plate frame,
The abacus grain is a multi-type abacus, characterized in that it has a different color for each preset number of digits.
According to claim 1,
Multi-type abacus, characterized in that the pair of white boards are displayed horizontally and vertically by 10 spaces, and each column is a space for displaying the number of abacus grains in the corresponding place.
delete According to claim 1,
Further comprising a fractional / fractional abacus that is detachable from the side of the natural water abacus,
The decimal/fractional abacus is
A plurality of vertical seats and a horizontal seat table, wherein 10 abacus grains are arranged on the vertical seat stage, and a plurality of abacus grains are arranged on the horizontal seat stage,
A multi-type abacus that is bound with a divider for partitioning the abacus eggs arranged on the horizontal seat corresponding to the base system desired by the user.
5. The method of claim 4,
Multi-type abacus, characterized in that 1/10, 1/100, 1/1000 and 1/10000 decimal points are displayed on the upper part of the vertical place of the decimal/fractional abacus
5. The method of claim 4,
The decimal/fractional abacus is
Multi-type abacus, characterized in that it comprises a white board for displaying the number of abacus grains of the vertical seat.

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