THE NOTATION DESK / CLEAR WORKING

Six tools. A clearer way through.

Convert a number, work with powers or make precision explicit. All six tools are free, instant and built to show the method.

A LITTLE LESS GUESSWORK

What would you like to work out?

One question. Clear steps. A result you can check.

6 of 6 tools shown

Conversions01

Move between a standard decimal and normalized scientific notation.

Arithmetic02

Add, subtract, multiply or divide with the working kept visible.

Arithmetic03

Explore integer powers, reciprocals and negative-base signs.

Precision & scale04

Count the digits as written and make rounding decisions explicit.

Conversions05

Keep powers in multiples of three, with exact decimal steps.

Precision & scale06

Change decimal SI prefixes without changing the quantity.