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<li> <kbd>s, t, u, v, n, i, j, w, h, z, r, g, b, a, o, c, y, m, k</kbd>: symbols</li>
<li> <kbd>abs(</kbd><em>x</em><kbd>)</kbd>: absolute value function</li>
<li> <kbd>acos(</kbd><em>x</em><kbd>)</kbd>: arc cosine function</li>
-<li> <kbd>airy(</kbd><em>x</em><kbd>)</kbd>: return the Airy function Ai(<em>x</em>)</li>
+<li> <kbd>airy(</kbd><em>x</em><kbd>)</kbd>: Airy function (max=1, min=0); <kbd>airy(</kbd><em>x</em><kbd>)</kbd>=<kbd>[jinc(</kbd><em>x</em><kbd>)]<sup>2</sup></kbd>=<kbd>[2*j1(</kbd><em>pi*x</em><kbd>)/(</kbd><em>pi*x</em><kbd>)]<sup>2</sup></kbd></li>
<li> <kbd>alt(</kbd><em>x</em><kbd>)</kbd>: sign alternation function (return 1.0 if <kbd>int(</kbd><em>x</em><kbd>)</kbd> is even, -1.0 if <kbd>int(</kbd><em>x</em><kbd>)</kbd> is odd)</li>
<li> <kbd>asin(</kbd><em>x</em><kbd>)</kbd>: arc sine function</li>
<li> <kbd>atan(</kbd><em>x</em><kbd>)</kbd>: arc tangent function</li>
<li> <kbd>floor(</kbd><em>x</em><kbd>)</kbd>: largest integral value not greater than argument</li>
<li> <kbd>hypot(</kbd><em>x</em>,<em>y</em><kbd>)</kbd>: the square root of x<sup>2</sup>+y<sup>2</sup></li>
<li> <kbd>int(</kbd><em>x</em><kbd>)</kbd>: greatest integer function (return greatest integer less than or equal to <em>x</em>)</li>
-<li> <kbd>j0(</kbd><em>x</em><kbd>)</kbd>: Bessel functions of <em>x</em> of the first kind of orders 0</li>
-<li> <kbd>j1(</kbd><em>x</em><kbd>)</kbd>: Bessel functions of <em>x</em> of the first kind of orders 1</li>
-<li> <kbd>jinc(</kbd><em>x</em><kbd>)</kbd>: jinc function</li>
+<li> <kbd>j0(</kbd><em>x</em><kbd>)</kbd>: Bessel functions of <em>x</em> of the first kind of order 0</li>
+<li> <kbd>j1(</kbd><em>x</em><kbd>)</kbd>: Bessel functions of <em>x</em> of the first kind of order 1</li>
+<li> <kbd>jinc(</kbd><em>x</em><kbd>)</kbd>: jinc function (max=1, min=-0.1323); <kbd>jinc(</kbd><em>x</em><kbd>)</kbd>=<kbd>2*j1(</kbd><em>pi*x</em><kbd>)/(</kbd><em>pi*x</em><kbd>)</kbd></li>
<li> <kbd>ln(</kbd><em>x</em><kbd>)</kbd>: natural logarithm function</li>
<li> <kbd>log(</kbd><em>x</em><kbd>)</kbd>: logarithm base 10</li>
<li> <kbd>logtwo(</kbd><em>x</em><kbd>)</kbd>: logarithm base 2</li>
<li> <kbd>round()</kbd>: round to integral value, regardless of rounding direction</li>
<li> <kbd>sign(</kbd><em>x</em><kbd>)</kbd>: return -1.0 if <em>x</em> is less than 0.0 otherwise 1.0</li>
<li> <kbd>sin(</kbd><em>x</em><kbd>)</kbd>: sine function</li>
-<li> <kbd>sinc(</kbd><em>x</em><kbd>)</kbd>: sinc function</li>
+<li> <kbd>sinc(</kbd><em>x</em><kbd>)</kbd>: sinc function (max=1, min=-0.21); <kbd>sinc(</kbd><em>x</em><kbd>)</kbd>=<kbd>sin(</kbd><em>pi*x</em><kbd>)/(</kbd><em>pi*x</em><kbd>)</kbd></li>
<li> <kbd>sinh(</kbd><em>x</em><kbd>)</kbd>: hyperbolic sine function</li>
<li> <kbd>sqrt(</kbd><em>x</em><kbd>)</kbd>: square root function</li>
<li> <kbd>tan(</kbd><em>x</em><kbd>)</kbd>: tangent function</li>
projects / imagemagick / blobdiff