Catalog of formulas

Informatics

Convert of numbers

Mathematics

Algebra & mathematical analysis

Equations

Proportions

Trigonometrical functions

Geometry

Circumference & circle

Cone

Cube

Cylinder

Equilateral triangle

Isosceles triangle

Pyramid

Rectangle

Rectangular parallelepiped

Rhomb

Right-angled triangle

Sphere

Square

Trapezium

Triangle

Physics

Acoustics

Acoustic measurements

Propagation of sound

Sound generation

Atomic physics

Atoms

Quanta

Electricity

Alternating-current circuit

Direct-current circuits

Electric conduction

Electric machines

Electromagnetic oscillation and waves

Mechanics

Aerostatics

Dynamics

Elastic properties of solids

Kinematics

Statics

Optics

Diffraction

Lenses

Optical devices

Photometry

Reflection of light

Refraction of light

Thermodynamics

Aggregate state of matter

Change of ideal gas state

Gas laws

Heat energy

Heat transfer processes

Kinetic theory of gases

Temperature scales

Vibrations and waves

Mechanical vibrations