# Support ‹ AllMyNotes Organizer manual ‹ Topic: How to use the Calculator/Math

## Calculator

AllMyNotes Organizer has a Calculator built-in to the text editor. It can automatically evaluate math expressions typed anywhere in the text editor. Just type 1+1= and 2 will appear automatically. It's that easy.

## Supported math Operations and Functions:

+ - Addition operation.

- - Substraction operation.

* or x - Multiplication operation.

/ - Division operation.

^ - Power operation.

() and {} - Parentheses can be used to Group terms as in a standard expression.

ABS - Absolute Value function.

SQRT - Square Root function.

LOG - Log base 10 function.

LN - Natural Log function.

EXP - Exponential function.

SIN - Sine function

COS - Cosine function

TAN - Tangent function.

COT - Cotangent function.

ARCSIN - Arcsine function.

ARCCOS - Arccosine function.

ARCTAN - Arctangent function.

SINH - Hyperbolic Sine function.

COSH - Hyperbolic Cosine function.

TANH - Hyperbolic Tangent function.

ARSINH - Inverse Hyperbolic Sine function.

ARCOSH - Inverse Hyperbolic Cosine function.

ARTANH - Inverse Hyperbolic Tangent function.

INT - Integer Rounding function.

RAD - the Arc of a given angle function.

DEG - the angle of an arithmetic expression in degrees function.

SIGN - Sign function.

PI - π constant (equal to 3.14159265358979323846264338327950288419716939937510).

PHI - golden ratio constant (φ is equal to 1.618033988749894848204586834).

## Examples:

1 + 2 = 3

(2 + 2) x 2 = 8

2 + 2 x 2 = 6

cos(PI) / sin(PI / 2) = -1

int(1.98) = 1

See also: How to insert a Horizontal Line

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