In[] and Out[] offers readers an opportunity to ask questions of the
experts. The Journal encourages readers to submit problems in care
of the editor.
Random Numbers from an Arbitrary Distribution
Iterator Sequences
Plotting Probability Distributions
Graphics and Plotting
Transparency
Plotting Discontinuous Functions
Gray-scale PostScript Output
PlotRange of a ParametricPlot3D
$Post
Displaying PostScript
Plots of Three-Dimensional Data
Combinatorial Simplification
Literal
Variable Elimination
Definite versus Indefinite Integration
Suppressing the Use of Special Functions
Integrals Involving the Heaviside Function
AppendTo versus Append
ReplaceAll versus ReplaceRepeated
Correction