The invention discloses a quickly-mounted display screen box. The display screen box is adsorbed on a mounting framework through electromagnetic chucks in an electrified state. By virtue of a quick mounting and maintaining method provided by the invention, quick mounting of a rent LED display screen and maintenance of an LED box can be performed conveniently. The LED display screen box provided by the invention can be applicable to mounting and detaching of LED modules of any dot spacings, without being limited by dot spacings; and meanwhile, the quickly-mounted display screen box is simple in structure, convenient to maintain without causing hurt to the screen body and a human body.

Quickly-mounted display screen box and mounting and detaching method therefor

The invention discloses a geometric experiment and learning platform, comprising an input module, a calculation module, a storage module and a display module, wherein the parameter input end of the calculation module is connected with an input unit, the data end of the calculation module is in two-way connection with a storage unit, and the image output end of the calculation module is connected with a display unit. A geometric experiment and learning method comprises: an input step, comprising parameter input, drawing input and template input; a calculation step: calculating parameters; a display step: displaying parameters for drawing a graph; and a storage step: storing the drawn graph in a template library unit or a graph storage unit. By using a geometric drawing board, students can better learn geometric models and verify relevant geometric problems and principles, mastering of students on relevant knowledge is strengthened, the interest of students about learning geometry is cultivated, the learning efficiency of students is improved, and the problem that the geometry is difficult to learn is radically solved.

Geometric experiment and learning platform and method

The invention discloses a system for solving mathematic functions and a solving method of the system and belongs to the technical field of teaching tools. The system comprises a central processing system, wherein the central processing system is in electric input connection with an input subsystem; the central processing system is electrically bidirectionally connected with a calculation subsystem; the central processing system is in electric output connection with a display output subsystem. The system for solving the mathematic functions and the solving method of the system are reasonable indesign and good in practicability, mathematic problems which are hard for students to solve can be input into the system, then the mathematic problems can be automatically calculated and processed bythe system, calculation results and procedures of the mathematic problems can be displayed, the solving process and results can be watched by the students visibly, and the learning efficiency and thelearning quality of the students can be improved.

System for solving mathematic function and solving method of system

The utility model discloses a mathematics image demonstrator, relates to mathematics teaching equipment, and concretely relates to an image teaching demonstrator during teaching of higher mathematics. The mathematics image demonstrator comprises a box body (1) and a touch display screen (3), wherein a sucker (2) is fixed on the back of the touch display screen, a computer host (4) is arranged in the box body, an inclined panel (6) is arranged on the upper surface of the box body, a keyboard (7) is fixed on the inclined panel; one sound box (5) is respectively fixed on left, right sides of the box body; the computer host is connected with the touch display screen by a conduction line and also connected with a handwriting pen (8) by a conduction line, the handwriting pen is arranged in a spring clamp on the side surface of the touch display screen; and the computer host is also connected with a microphone (9) by the conduction line. The mathematics image demonstrator solves the problems that during the university mathematics teaching, drawing standard mathematics images on a blackboard takes a long time by teachers, and the drawn image has relatively large error, resulting into forming imprecise function curves and not standard images.

Mathematics image demonstrator

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Mathematics image demonstrator