A smart calculator combined with a notepad.

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Numbr guide

Embedded documentation

This hosted app wraps the upstream numbr engine with a repo-local shell. The syntax below is adapted from the local reference docs.

Basics

Write normal notes and mix calculations directly into the same document.

$500 for tickets + $70 for a taxi

Formatting

  • Start a line with # to create a header.
  • Use : to separate a description from the calculation.

Numbers

  • 0.5 + .5
  • 1k for one thousand
  • 1 000 000 or 1,000,000
  • 1M for one million

Operators

  • +, -, * or x, /, %, ^
  • 12 % 10 for modulus
  • 2 ^ 3 for exponents
  • 100 + 25%, 100 - 25%, 25% of 100

Currencies

Use currency symbols or ISO codes. Rates refresh about hourly.

$100 + 50EUR
20CAD in USD
1 btc in usd

Totals

Use total or sum. Summing stops at the nearest header.

## Trip
Milk $3
Eggs $2
Total

References

Results can be referenced on later lines.

100 + 200
(300) + 25%

Variables

Variable names are case-insensitive and can contain letters, numbers, and spaces.

iPhone 15 = $998
AirPods Pro = $249
Price difference: iphone 15 - airpods pro