## Calculators## Scientific Calculator
## KeyPad Definitions
## Functions and Constantsacos - Returns the arccosine (in radians) of a number. asin - Returns the arcsine (in radians) of a number. atan - Returns the arctangent (in radians) of a number. cos - Returns the cosine of a number. e - Euler's constant and the base of natural logarithms, approximately 2.718. exp - Returns E log - Returns the natural logarithm (base log10 - The natural logarithm of 10, approximately 2.302. log2 - The natural logarithm of 2, approximately 0.693. pi - The ratio of the circumference of a circle to its diameter, approximately 3.14159. pow - Returns sqrt - Returns the square root of a number. tan - Returns the tangent of a number. x - Returns the square of a number. 2^x - Returns 2 10^x - Returns 10 |