What is math@bot.im?
It is an Instant Messaging bot that answers your mathematical questions like sin(deg2rad(1.2))-tan(30)-exp(1.1)*2/pow(7,1.1)-fact(2).
Using it.
Simple. Add any of these as your buddies/friends on your Gtalk, Yahoo! Messenger:
- math@bot.im on Gtalk.
mathbot@ymail.comon Yahoo Messenger.- @_mathbot - on Twitter
- SMS MATH math_expression to 56767888
The syntax isn't any special. Use + - * / for what they stand for. For other operations, there are bunch of functions available. Type 'help' for help.
Functions.
Function - Description- abs(n) - Absolute value
- acos(n) - Arc cosine
- acosh(n) - Inverse hyperbolic cosine
- asin(n) - Arc sine
- asinh(n) - Inverse hyperbolic sine
- atan2(n) - Arc tangent of two variables
- atan(n) - Arc tangent
- atanh(n) - Inverse hyperbolic tangent
- bindec(b) - Binary to decimal
- ceil(n) - Round fractions up
- cos(n) - Cosine
- cosh(n) - Hyperbolic cosine
- decbin(n) - Decimal to binary
- dechex(n) - Decimal to hexadecimal
- decoct(n) - Decimal to octal
- deg2rad(n) - Converts the number in degrees to the radian equivalent
- exp(n) - Calculates the exponent of e
- expm1(n) - Returns exp(number) - 1, computed in a way that is accurate even when the value of number is close to zero
- floor(n) - Round fractions down
- fmod(n,k) - Returns the floating point remainder (modulo) of the division of the arguments
- hexdec(n) - Hexadecimal to decimal
- hypot(x,y) - Calculate the length of the hypotenuse of a right-angle triangle
- log10(n) - Base-10 logarithm
- log1p(n) - Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero
- log(n) - Natural logarithm
- max(a,b,c,..) - Find highest value
- min(a,b,c,..) - Find lowest value
- octdec(n) - Octal to decimal
- pow(n,k) - Exponential expression
- rad2deg(n) - Converts the radian number to the equivalent number in degrees
- rand() - Generate a random integer
- round(n) - Rounds a float
- sin(n) - Sine
- sinh(n) - Hyperbolic sine
- sqrt(n) - Square root
- tan(n) - Tangent
- tanh(n) - Hyperbolic tangent
- lcm(a,b,c,..) - Least Common Multiple
- gcd(a,b,c,..) - Greatest Common divisor
- fact(n) - factorial
- nCr(n,r) - combinations
- nPr(n,r) - probability
- root(n,k) - nth root of k
Constants
Constant - Value - Desc- M_PI - 3.14159265358979323846 - Pi
- M_E - 2.7182818284590452354 - e
- M_LOG2E - 1.4426950408889634074 - log_2 e
- M_LOG10E - 0.43429448190325182765 - log_10 e
- M_LN2 - 0.69314718055994530942 - log_e 2
- M_LN10 - 2.30258509299404568402 - log_e 10
- M_PI_2 - 1.57079632679489661923 - pi/2
- M_PI_4 - 0.78539816339744830962 - pi/4
- M_1_PI - 0.31830988618379067154 - 1/pi
- M_2_PI - 0.63661977236758134308 - 2/pi
- M_SQRTPI - 1.77245385090551602729 - sqrt(pi)
- M_2_SQRTPI - 1.12837916709551257390 - 2/sqrt(pi)
- M_SQRT2 - 1.41421356237309504880 - sqrt(2)
- M_SQRT3 - 1.73205080756887729352 - sqrt(3)
- M_SQRT1_2 - 0.70710678118654752440 - 1/sqrt(2)
- M_LNPI - 1.14472988584940017414 - log_e(pi)
- M_EULER - 0.57721566490153286061 - Euler constant