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"In elementary algebra, a quadratic equation (from the Latin quadratus for "square") is any equation having the form
ax^2+bx+c=0
where x represents an unknown, and a, b, and c are constants with a not equal to 0. If a = 0, then the equation is linear, not quadratic. The constants a, b, and c are called, respectively, the quadratic coefficient, the linear coefficient and the constant or free term.
Because the quadratic equation involves only one unknown, it is called "univariate". The quadratic equation only contains powers of x that are non-negative integers, and therefore it is a polynomial equation, and in particular it is a second degree polynomial equation since the greatest power is two.
Quadratic equations can be solved by a process known in American English as factoring and in other varieties of English as factorising, by completing the square, by using the quadratic formula, or by graphing." [Quadratic equation. Wikipedia]
The flowchart example "Solving quadratic equation algorithm" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Mathematics solution from the Science and Education area of ConceptDraw Solution Park.
Solving quadratic equation flow chart
Solving quadratic equation flow chart, rectangle,
Used Solutions

Venn Diagram Examples for Problem Solving
Venn Diagram as a Truth Table

Venn Diagram Examples for Problem Solving - Venn Diagram as a Truth Table
Venn diagrams are illustrations used in the branch of mathematics known as set theory. They show the mathematical or logical relationship between different groups of things (sets). A Venn diagram shows all the possible logical relations between the sets.

Physics Symbols

Physics Symbols
ConceptDraw DIAGRAM diagramming and vector drawing software extended with Physics solution from the Science and Education area is a powerful software for creating various physics diagrams. Physics solution provides all tools that you can need for physics diagrams designing. It includes 3 libraries with predesigned vector physics symbols: Optics Library, Mechanics Library and Nuclear Physics Library.

Management Tools — Total Quality Management

Management Tools — Total Quality Management *
The Total Quality Management Diagram solution helps your organization visualize business and industrial processes. Create Total Quality Management diagrams for business process with ConceptDraw software.

mathematical diagrams, mathematical symbols, tape diagrams Mathematics

mathematical diagrams, mathematical symbols, tape diagrams
Mathematics is simply essential in many fields, such as natural science, medicine, finance, the social sciences, and engineering. Mathematicians often face the need for creating the mathematical drawings in order to explain different theories and equations. In order to make such illustrations, the ConceptDraw DIAGRAM diagramming and drawing software may be used. The Mathematics solution can be used while working in the ConceptDraw DIAGRAM application using its pre-made samples, templates, and vector shape libraries of both solid and plane geometric figures, trigonometrical functions and mathematical symbols. It may help many mathematicians to create numeral mathematical diagrams, mathematic illustrations and tape diagrams for either scientific or educational, or both purposes.

Best Multi-Platform Diagram Software

Best Multi-Platform Diagram Software *
ConceptDraw DIAGRAM is a powerful tool for drawing business communication ideas and concepts, simple visual presentation of numerical data in the Mac environment.

scatter chart, scatter graph, scatter plot Scatter Diagrams

scatter chart, scatter graph, scatter plot
The Scatter Diagrams solution extends ConceptDraw DIAGRAM functionality with templates, samples, and a library of vector stencils that make construction of a Scatter Plot easy. The Scatter Chart Solution makes it easy to design attractive Scatter Diagrams used in various fields of science, work, and life activities. ConceptDraw DIAGRAM lets you enter the data to the table and construct the Scatter Plot Graph automatically according to these data.

Types of Flowchart — Overview

Types of Flowchart - Overview
When designing a process or an instruction in clear and understandable way, you should consider creating a flowchart. You can avoid spending a lot of time understanding complex concepts as they get clear with different diagrams. The flowcharts are very popular diagram type, they are useful at different fields from the description business processes to the presentation of cooking recipes. Basic Flowchart, Business Process Modeling Diagram, Process Flowchart, Cross Functional Flowchart, Procedure Flowchart, Data Flow Diagram, IDEF Flowchart, SDL Diagram, Workflow Diagram, Document Flowchart, Program Flowchart, Value Stream Map, System Flowchart, Highlight Flowchart, Sales Flowchart are the main types flowchart. The ConceptDraw DIAGRAM is one of the professional applications which has great advantages and using which you can create different types of Flowcharts easy and fast. Try to draw an illustrative and comprehensible diagram in ConceptDraw DIAGRAM describing the processes instead of writing complex long text and make sure how it is convenient. Visio is expensive, and if you use it in a team environment, these costs are compounded. ConceptDraw DIAGRAM is an affordable alternative to Visio and luckily, it comes with a team plan. ConceptDraw DIAGRAM can import and export Visio files, so Mac users can collaborate with PC users stuck on Microsoft's software.
How to Simplify Flow Charting
How to Simplify Flow Charting

bubble diagram, circle-spoke diagram, marketing diagrams, circular arrows diagrams, segmented cycle diagram, Venn diagram, draw logical relations Business Diagrams

bubble diagram, circle-spoke diagram, marketing diagrams, circular arrows diagrams, segmented cycle diagram, Venn diagram, draw logical relations
The Business Diagrams Solution extends ConceptDraw DIAGRAM with an extensive collection of professionally designed illustrative samples and a wide variety of vector stencils libraries, which are the real help for all business-related people, business analysts, business managers, business advisers, marketing experts, PR managers, knowledge workers, scientists, and other stakeholders allowing them to design the bright, neat, expressive and attractive Bubble Diagrams, Circle-Spoke Diagrams, Circular Arrows Diagrams, and Venn Diagrams with different quantity of sets in just minutes; and then successfully use them in documents, reports, statistical summaries, and presentations of any style.

draw line graph, draw line chart Line Graphs

draw line graph, draw line chart
The Line Graphs solution extends the capabilities of ConceptDraw DIAGRAM with professionally designed templates, samples, and a library of vector stencils for drawing perfect Line Graphs. Turn your data into a Line Graph with ConceptDraw DIAGRAM software and use it in any document, presentation, report, share it with your team, etc. Building several curves on the same chart, it is recommended to paint them with different colors, this will allow to separate them visually from each other and will make it easier the data comparison.

draw line graph, draw line chart Line Graphs

draw line graph, draw line chart
The Line Graphs solution extends the capabilities of ConceptDraw DIAGRAM with professionally designed templates, samples, and a library of vector stencils for drawing perfect Line Graphs. Turn your data into a Line Graph with ConceptDraw DIAGRAM software and use it in any document, presentation, report, share it with your team, etc. Building several curves on the same chart, it is recommended to paint them with different colors, this will allow to separate them visually from each other and will make it easier the data comparison.

decoder, electrical symbols, integrated circuit, analog to digital converter, logic gate symbols, logic diagram Digital Electronics

decoder, electrical symbols, integrated circuit, analog to digital converter, logic gate symbols, logic diagram
The Digital Electronics solution for ConceptDraw DIAGRAM includes a collection of multifarious diagrams samples and a large number of pre-made vector objects and digital electrical symbols of integrated circuit and connections, logic gate symbols of different kinds, electronic logic and flip flop symbols, etc. These symbols are perfect for logic diagram design, constructing schematics for digital electronics circuits and equipment, decoder, analog to digital converter, and more schematics. Use the solution tools at all stages of electrical engineering and digital electronics design.

Venn diagram, draw logical relations Venn Diagrams

Venn diagram, draw logical relations
Venn Diagrams are actively used to illustrate simple set relationships in set theory and probability theory, logic and statistics, mathematics and computer science, linguistics, sociology, and marketing. Venn Diagrams are also often used to visually summarize the status and future viability of a project.

vaccination, immune system, antibody, immunization, immune booster, immunology, pathogens Immunology

vaccination, immune system, antibody, immunization, immune booster, immunology, pathogens
Immunology solution provides a large collection of biomedical and immunology samples, and libraries with enormous quantity of pre-made vector objects for designing colorful and easy-to-understand illustrations, diagrams, infographics, charts, presentation slides, posters, reports, marketing materials on the subject of immunology, immunochemistry, immunodiagnosis, immunotherapy, immune cells, immunoassay, immunoreceptors, antibodies, antigens and pathogens, antibody microarray, immune booster, immunization and vaccination in the clinic of infectious and oncological diseases, diagnostics, treatment and prevention of diseases of the immune system, including immunodeficiency, autoimmune diseases, allergies, medical and veterinary use of antiserums, immunoglobulins, monoclonal antibodies, immunomodulators, immunosuppressors, immunostimulators, as well as developing pharmaceutical immunopreparations, vaccines and diagnosticums for immunoenzyme analysis.

mechanical engineering, mechanical design software, mechanical drawing symbols, mechanical drawing software Mechanical Engineering

mechanical engineering, mechanical design software, mechanical drawing symbols, mechanical drawing software
Mechanical Engineering solution for ConceptDraw DIAGRAM charting and drawing software is full of the pre-made examples of the mechanical drawings and stencil libraries full of the mechanical engineering-related symbols it becomes simpler to create the needed mechanical engineering drawings or assembly, parts, hydraulic and pneumatic systems’ drawings. The Mechanical Engineering solution can be useful for many mechanical engineers and other engineers and designers.

electrical engineering, electrical symbols, wiring diagram, diode symbol, circuit diagram, resistor symbol, electrical schematic Basic Circuit Diagrams

electrical engineering, electrical symbols, wiring diagram, diode symbol, circuit diagram, resistor symbol, electrical schematic
Basic Circuit Diagrams solution extends the functionality of ConceptDraw DIAGRAM application with a large variety of samples and internationally standardized electrical symbols and electrical circuit diagram symbols including resistor symbol, inductor, amplifier, relay, diode symbol, icons for electrical engineering equipment, electrical circuit instrumentation, active and passive components, digital electronics symbols. Use them to illustrate the electrical circuit of any kind and complexity in minutes, design electrical schematic, wiring diagram, electronic schematics, and more. This solution is effective for electrical engineers, architects, electricians, electrical technicians, builders, interior designers, and many more electricity-related specialists.

electrical symbols, transmission lines, circuit diagram, circuit symbols, electrical circuit, three-phase power, electric generators Power Сircuits

electrical symbols, transmission lines, circuit diagram, circuit symbols, electrical circuit, three-phase power, electric generators
The Power Circuits solution for ConceptDraw DIAGRAM is designed for drawing power electrical circuits, power grids, power generation, transformation, transmission, and distribution systems. It includes a set of samples and a large number of generally accepted electrical circuit symbols that guarantee clarity and simple comprehension of diagrams. The electrical symbols of transformers, motor starters, power stations, electric generators, electrical motors, windings connections, transmission lines, and more equipment are included. Use this solution to successfully create the Power Circuit Diagram of any complexity, display the functional parts of the electrical circuit and connections between them, electrical connections in substations, explain the principles of operation of electrical and power mechanisms, one-phase and three-phase power generation, create specifications of power electrical equipment.

Electrical Symbols — Analog and Digital Logic

Electrical Symbols — Analog and Digital Logic *
Digital electronics or digital (electronic) circuits are electronics that handle digital signals – discrete bands of analog levels – rather than by continuous ranges (as used in analogue electronics). All levels within a band of values represent the same numeric value. Because of this discretization, relatively small changes to the analog signal levels due to manufacturing tolerance, signal attenuation or parasitic noise do not leave the discrete envelope, and as a result are ignored by signal state sensing circuitry. 26 libraries of the Electrical Engineering Solution of ConceptDraw DIAGRAM make your electrical diagramming simple, efficient, and effective. You can simply and quickly drop the ready-to-use objects from libraries into your document to create the electrical diagram.

Electrical Symbols — Power Sources

Electrical Symbols — Power Sources *
A voltage source is a two terminal device which can maintain a fixed voltage. An ideal voltage source can maintain the fixed voltage independent of the load resistance or the output current. However, a real-world voltage source cannot supply unlimited current. A voltage source is the dual of a current source. Real-world sources of electrical energy, such as batteries, generators, and power systems, can be modeled for analysis purposes as a combination of an ideal voltage source and additional combinations of impedance elements. 26 libraries of the Electrical Engineering Solution of ConceptDraw DIAGRAM make your electrical diagramming simple, efficient, and effective. You can simply and quickly drop the ready-to-use objects from libraries into your document to create the electrical diagram.

Mathematical Diagrams

Solving Quadratic Equation
ConceptDraw DIAGRAM diagramming and vector drawing software extended with Mathematics solution from the Science and Education area is the best for creating: mathematical diagrams, graphics, tape diagrams various mathematical illustrations of any complexity quick and easy. Mathematics solution provides 3 libraries: Plane Geometry Library, Solid Geometry Library, Trigonometric Functions Library.