Mathematical rules and laws - numbers, areas, volumes, exponents, trigonometric functions and more.
Principal algebraic expressions formulas.
Calculate angles with a straight board across carpenter's square.
Converting between angle units.
Calculate area of intersecting circles
Online app that can be used to make 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.
Logic functions where the values of variables are true (1) or false (0).
A body and the center of gravity.
The controid of square, rectangle, circle, semi-circle and right-angled triangle.
The equation for a circle
Calculate chord lengths when dividing the circumference of a circle into an equal number of segments.
Calculate the numbers of circles on the outside of an inner circle - like the geometry of rollers on a shaft.
Calculate the maximum number of circles within a rectangle - can be used to calculate the numbers of pipes or wires in a conduit or similar.
Complex numbers are used in alternating current theory and mechanical vector analysis.
Volume of partly filled horizontal or sloped cylindrical tanks or pipes - online calculator.
Signed vs. unsigned datatypes.
Prefix names used for multiples and submultiples units.
Derivatives and differentiation expressions.
Calculate the 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, intersecting and coincident lines.
Ellipsoid, sphere, hyperboloid, cone and more.
Radius and side lengths of equal areas, circles and squares.
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 ..
Distances between corners for hexagons and squares.
Exponential functions related to the hyperbola.
One side of a triangle when the opposite angle and two sides are known.
Calculate the 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.
The difference between standard, scientific and engineering number notation.
Calculate oblique triangles.
Geometric dilution of light vs. distance.
Working with relative values.
Fractional vs. decimal inches.
Convert between Cartesian and Polar coordinates.
Prime numbers up to 1000.
Verifying square corners.
Radian is the SI unit of angle. Convert between degrees and radians. Calculate angular velocity.
The relative values between quantities - ratios and proportions.
Areas of regular polygons - polygons with 3 to 12 sides.
Right angled triangle equations.
Online scientific calculator.
Calculate 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 lengths of both diagonals are equal.
Equations for differentials and integrals.
Function as an infinite sum of terms.
Triangle analytical geometry.
Sine, cosine and tangent - the natural trigonometric functions.
Online calculator for two equations and two unknowns.
Online vector calculator - add vectors with different magnitude and direction - like forces, velocities and more.