Need to round a number to a specific number of decimal places? The rounding calculator handles standard rounding plus ceiling, […]

A semester is half a year, or 6 months. Whether you are counting academic semesters or just measuring in half-year […]

Enter any number below to find its absolute value - the distance from zero on the number line, always expressed […]

Need to project a trend beyond your data? This linear extrapolation calculator fits a straight line to your data points […]

Use this right logical shift calculator to shift bits right and fill with zeros. Unlike arithmetic shift, this operation does […]

Calculate the number of combinations (nCr) - how many ways to choose r items from n when order does not […]

On this page is a logarithm calculator. Enter a logarithm base and x, and we'll compute the logarithm. Logarithm calculator […]

Need to compute sine, cosine, or tangent of twice an angle? This double angle formula calculator computes all six trigonometric […]

Below is a mixed number calculator that converts between mixed numbers and improper fractions. Enter either form and get the […]

On this page is an inverse hyperbolic cotangent calculator (or acoth calculator), which calculates an angle from the result of […]