Obsidian Calculator Plugin

This plugin uses https://github.com/5anthosh/fcal to evaluate math expressions within your Obsidian notes.

Using fcal, you can perform basic arithmetic, percentage operations with precision. It features a flexible expression parser with a large set of built-in units, functions and constants.

See https://github.com/5anthosh/fcal/wiki for more information.

Usage

Example 1, insert answer

Write an expression which ends with the equal symbol, like:

PI * 4cm ^ 2 = 

Select the expression and choose evaluate from the command palette:

The expression should be evaluated:

PI * 4cm ^ 2 = 50.265482457436691815 Centimeters

Example 2, copy to clipboard

Write an expression without ending it with an equals symbol:

23 % of 1023

Select the expression and choose evaluate from the command palette like done in Example 1 above.

The evaluated expression will be copied to the clipboard.

Example 3, variables and multilines

Variables and multiline expressions are supported.

x=56.43
y=x/2
z+y=

Selecting all 3 lines and running the evaluate command from the palette will result in:

x=56.43
y=x/2
x+y=84.645

Settings

None at present.

Installation

You can install the plugin via the Community Plugins tab within Obsidian by searching for "Calc"

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