A collection of functional online calculators for use in every day domestic and commercial use.

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Basic Maths Functions Calculators

Square Root Calculator

Enter a number

Square Root =

Cosine Calculator (cos)

Enter an angle

Cosine =

Sine Calculator (sin)

Enter an angle

Sine =

Tangent Calculator (tan)

Enter an angle

Tangent =

Inverse Cosine Calculator (INV cos)

Enter Cosine Value

Angle =

Inverse Sine Calculator (INV sin)

Enter Sine Value

Angle =

Inverse Tangent Calculator (INV tan)

Enter Tangent Value

Angle =