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# Calculator

From LibreCAD wiki

The command line has a built in calculator that can be accessed with the **cal** command.

Constants:

- pi = 3.14159265359

Operators:

addition: cal 6+5 subtraction: cal 6-5 multiplication: cal 6*5 division: cal 6/5 six to the fifth power: cal 6^5

Functions:

square root: cal sqrt(5) cal sqrt(3^2 + 4^2) average: cal avg(6,5)

Trigonometric functions:

Note these functions take radians. degrees*pi/180 = radians sine: cal sin(6*pi/180) cosine: cal cos(6*pi/180) tangent: cal tan(6*pi/180)

Extra info: