Calculation of percentages
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Did you know ? A mathematical pendulum is a mathematical model of a pendulum. A mathematical pendulum is a mass point suspended on a thin perfectly solid fiber of negligible weight, while air resistance during the movement of the pendulum and friction in the suspension are neglected and the gravitational field is considered homogeneous. A mathematical pendulum is a mechanical oscillator that oscillates freely after initial energy is supplied.
Calculation of percentages
Percentage increase
Percentage change
Direct proportion
Indirect proportionality
Share in percentage
Profit from interest
Price without VAT
Price with VAT
Trade margin
Surcharge
Discount in percentage
Geometric calculations
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Did you know ? Eukleides of Alexandria, most commonly known as Euclid, was an ancient Greek mathematician. We know little about Euclid's life. There is an opinion that he lived during the time of Ptolemy I. and perhaps he laid the foundations of mathematical research in the Alexandrian Museion. Euclid studied at the Platonic Academy in Athens and later worked in Alexandria.
Center of the triangle
Angles of a triangle
Polygon
Cube
Cylinder
Ellipsoid
Pyramid
Sphere
Sphere segment
Block
Cone
Circular segment
Physics calculations
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Did you know ? Isaac Newton (1643-1727) - English physicist, mathematician and astronomer, known for his work in mechanics and gravity. He is the author of the law of universal gravitation and the basic laws of motion.
Newton's law of motion
Work done by a force
Kinetic energy
Gravitational field
Conservation of momentum
Newton's second law
Oscilating object
Law of Gravity
Snell's law of refraction
Electric potential
Ohm's law
Coulomb's law
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