Area, perimeter and volume for the common plane and solid shapes, with pi to any precision.
Shape
Values
pi is carried at full double precision; rounding happens only on display.
Exact conversion factors across length, mass, area, volume, speed, temperature and data, with the whole category converted at once.
Score your finances out of 100 from five weighted components - savings rate, debt to income, utilisation, housing burden and emergency fund - with every number in the breakdown shown.
Sort products by what a single gram, millilitre or item actually costs, normalising g/kg, ml/l and oz/lb so 500 g and 1 kg compare correctly.
The tip on any bill, what each person owes when the bill is split, and how much of that share is gratuity, with the arithmetic written out line by line.
Generate tones and effects with the Web Audio API.
Shift pitch and playback rate of any audio file.
Entropy, crack-time estimates and weakness checks.
Build linear and radial gradients, copy the CSS.
