Expression Calculator Applet

ExpressionResult (default format)Note2*(4+3) 14 parenthesis OK PI 3.141592653589793 see below, case sensitive!!!!! cos(2*PI) 1 see below for more trig functions (always radians) a=3;a*a*2 18 variables OK, use semicolons between statements pow(2,8) 256 raises 2 to the 8th power

- All case sensitive
- All trig functions use and yield radians

## Constants

## Meaning

E Euler's constant and the base of natural logarithms, approximately 2.718. LN10 Natural logarithm of 10, approximately 2.302. LN2 Natural logarithm of 2, approximately 0.693. LOG10E Base 10 logarithm of E (approximately 0.434). LOG2E Base 2 logarithm of E (approximately 1.442). PI Ratio of the circumference of a circle to its diameter, approximately 3.14159. SQRT1_2 Square root of 1/2; equivalently, 1 over the square root of 2,approximately 0.707. SQRT2 Square root of 2, approximately 1.414.

## Functions

## Meaning

abs Returns the absolute value of a number. acos 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. atan2 Returns the arctangent of the quotient of its arguments. ceil Returns the smallest integer greater than or equal to a number. cos Returns the cosine of a number. exp Returns E ^{number}, where number is the argument, and E is Euler's constant, the base of the natural logarithms.floor Returns the largest integer less than or equal to a number. log Returns the natural logarithm (base E) of a number. max Returns the greater of two numbers. min Returns the lesser of two numbers. pow Returns base to the exponent power, that is, base exponent random() Returns a pseudo-random number between 0 and 1. round Returns the value of a number rounded to the nearest integer. sin Returns the sine of a number. sqrt Returns the square root of a number. tan Returns the tangent of a number.

Copyright © 2000-2021 Raymond J. Allen