Mathematical rules and laws - numbers, areas, volumes, exponents, trigonometric functions and more
Principal algebraic expressions and formulas
Calculate angles with a straight board across a carpenter's square
Converting between units of angle.
Calculate area of intersecting circles
Online app making an exact plot of a surveyed area - like a room, a property or any 2D shape.
ASCII codes and characters
Adding, subtracting, multiplying and dividing binary numbers
Convert between binary, decimal and hexadecimal numbers
Decimal, binary, octal and hexadecimal numbers
Binomial theorem for positive integers
Summary of primitive logic functions
Bodies and their center of gravity
Square, rectangle, cirle. semi-circle and right-angled triangle
Calculate chord lengths when dividing the circumference of a circle into equal number of segments
The equation for a circle
Radius and side lengths of equal areas, circles and squares
The numbers of circles on the outside of an inner circle or the geometry of rollers on a shaft
The maximum number of circles possible within a rectangle - ex. numbers of pipes or wires in a conduit
Complex numbers are used in alternating current theory and in mechanical vector analysis
Volume of partly filled horizontal or sloped cylindrical tanks and pipes - an online calculator
Cartesian and Polar coordinate converting
Signed and unsigned datatypes
Prefix names of units multiples and submultiples.
Derivatives and differentiation
Calculate arithmetic mean, median and modal values from discrete data sets
Distance between two points in a three dimension coordinate system - online calculator
Ellipse, circle, hyperbola, parabola, parallel and intersecting and coincident lines
Ellipsoid, sphere, hyperboloid, cone and more
The laws of fractional and integer exponents.
The product of all positive integers
Law of fractions
The inches fractional and decimal equivalents.
Areas, diagonals and more - of geometric figures like rectangles, triangles, trapezoids ..
Distance between corners for hexagons and squares
Exponential functions related to the hyperbola
One side of a triangle when opposite angle and two sides are known
Angles in a generic triangle
Triangles and law of tangents
Simplifying calculations by involving indices
Calculate the length of a spiral or the length of material contained in a roll
The rules of logarithms - log10 and loge for numbers ranging 1 to 1000.
Convert from minutes to degrees
Calculate square, cube, square root and cubic root. Values tabulated for numbers ranging 1 to 100.
Oblique triangle equations
Geometric dilution of light vs. distance.
Working with relative values.
Comparing pipe fractions and decimal inches
Numbers up to 1000
The pythagorean theorem used for squaring
Radian is the SI unit of angle. Convert between degrees and radians. Calculate angular velocity.
The relative values between quantities - ratios and proportions.
Area of regular polygons
Right angled triangle equations
Online scientific calculator
Estimate the number of small circles that fits into an outer larger circle - ex. how many pipes or wires fits in a larger pipe or conduit
The maximum number of smaller rectangles - or squares - within a larger rectangle (or square)
The volume and surface of solids like rectangular prism, cylinders, pyramids, cones and spheres - online calculator.
Numbers - squares, cubes, square roots and cube roots
A rectangle is square if the length of both diagonals are equal
Differentials and integrals
Function as an infinite sum of terms
Triangle analytical geometry
Sine, Cosine and Tangent - Natural Trigonometric Functions.
Online calculator for two equations with two unknowns
An online vector calculator - add vectors with different magnitude and direction - like forces, velocities and more.