Special economics calculator

Abstract

The invention discloses a special economics calculator, comprising a body. The middle of the bottom end of the body is connected with a back plate through a bearing rod, a bearing plate is arranged atthe top end of the bearing rod, the top of the body is provided with keys, the surface of the body is provided with protective film, two sides of the body are provided with mounting grooves respectively, a rotary plate is disposed in each mounting groove, two ends of the rotary plates are connected with the mounting grooves through rotary shafts, the inner side of each rotary plate is provided with a holding groove, and the sidewall of each holding groove is provided with a strip light. The strip lights arranged on the rotary plates in the mounting grooves can provide convenient lighting forletters on the surface of the calculator at night; the rotary plates are convenient to rotate so that the angle of the strip lights is convenient to adjust; the protective film can protect the letterson the keys, thus preventing the letters from disappearing in long-term use and ensuring normal use of the calculator.

Description

technical field [0001] The invention relates to the technical field of calculators, in particular to a special calculator for economics. Background technique [0002] Economics is an independent subject now, and it is a science about the laws of economic development. In the teaching process of economics, it is inevitable to perform calculations. Therefore, the required auxiliary equipment is a calculator. At this stage, calculators are in use During the process, it is placed flat on the desktop for operation. Long-term use will cause certain damage to the user’s neck, and long-term use will make the handwriting on the calculator disappear, which will affect the use of the calculator. When using the calculator, the handwriting between the keys of the calculator will be unclear, which will affect the use of the calculator. Contents of the invention [0003] The purpose of the present invention is to provide a special calculator for economics, which has the advantages of pro...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a special calculator for economics, which has the advantages of protecting the handwriting on the calculator, reducing the damage to the neck of the user who uses the calculator for a long time, making it easy to see the handwriting of the calculator at night, and solving the problem of calculation at the present stage. The calculator is placed flat on the table for operation during use. Long-term use will cause certain damage to the user's neck, and long-term use will cause the handwriting on the calculator to disappear, thereby affecting the use of the calculator. , when using the calculator at night, the handwriting between the calculator keys will be unclear, which will affect the use of the calculator

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