Plot a list of x,y coordinate points on an automatically scaled Cartesian plane.

Generate recurring dates by days, weeks, months, or years.

Solve density, mass, or volume when the other two values are known.

Paste a list of numbers and instantly summarize count, mean, median, range, and standard deviation.

Estimate how long a file transfer takes from file size and connection speed.

See a fraction as filled parts of a whole and compare its decimal and percentage forms.

Estimate driving range from available fuel and average fuel efficiency.

Analyze a sequence of values for period-over-period growth, total change, and compound growth.

Solve equations in the form ax + b = c and see the algebraic steps.

Estimate the labor cost of a meeting from attendees, duration, and average hourly cost.

Generate a multiplication table for any number and range.

Convert whole numbers between binary, octal, decimal, and hexadecimal representations.

Generate arithmetic or geometric sequences from a starting value and step or ratio.

Solve voltage, current, or resistance using V = I × R.

Generate a reusable table showing a range of percentages of any base value.

Find quartiles, IQR, outlier fences, and possible outliers from a numerical dataset.

Paste text and estimate reading time from its word count and reading speed.

Convert standard Roman numerals and whole numbers from 1 to 3,999.

Convert ordinary decimal numbers to scientific notation and scientific notation back to decimal form.

Enter any two values and solve for speed, distance, or time.

Count words, characters, sentences, paragraphs, and estimated reading time from pasted text.

Generate evenly spaced time slots between a start and end time.

Convert Unix timestamps to readable UTC/local dates and convert dates back to Unix time.

Solve total work, work rate, or time from the relationship work = rate × time.