Octave

Basic Math Functions

cos Cosine of an angle (in radians)

sin Sine of an angle (in radians)

tan Tangent of an angle (in radians)

exp Exponential function (e^x )

log Natural logarithm (NB this is log_e , not log₁₀ )

log10 Logarithm to base 10

sinh Hyperbolic sine

cosh Hyperbolic cosine

tanh Hyperbolic tangent

acos Inverse cosine

acosh Inverse hyperbolic cosine

asin Inverse sine

asinh Inverse hyperbolic sine

atan Inverse tangent

atan2 Two-argument form of inverse tangent

atanh Inverse hyperbolic tangent

abs Absolute value

sign Sign of the number (−1 or +1)

round Round to the nearest integer

floor Round down (towards minus infinity)

ceil Round up (towards plus infinity)

fix Round towards zero

rem Remainder after integer division

predefined variables

pi..............3.414

ans...........

i²............... -1

j²............... -1

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