| m0=: #"0&1 | Stacks of 1s of length y followed by 0s | 
| m1=: #.&.|: | Decimal value of 2-item Boolean list y | 
| m2=: ] { ' +ox'"_ | One of four characters chosen by y | 
| m3=: m2@m1@m0"1 | Horizontal barchart of two intgr series y | 
| m4=: #"0&'x' | Stack of 'x's of length y followed by ' 's | 
| m5=: [: i. [: >: >./ | Dense indices from 0 thru max y | 
| m6=: [: >: [: i. >./ | Dense indices from 1 thru max y | 
| d7=: [ + [: i. [: -. - | Dense indices from x thru y | 
| m8=: <./ , >./ | Min and max of y | 
| m9=: #/.~ | Frequency count of items of y | 
| m10=: <./ d7 >./ | Integers from min y to max y, inclusive | 
| m11=: [: >: [: i. ] | Integers from 1 thru y, inclusive | 
| m12=: [: i. [: >: ] | Integers from 0 through y, inclusive | 
| m13=: m25 d18 'x'"_ | Barchart of y on vertical axis using ' x' | 
| m14=: m25 d18 1: | Barchart of y on vertical axis using 0 1 | 
| m15=: |.@|:@m13 | Barchart of y on horizontl axis using ' x' | 
| m16=: |.@|:@m14 | Barchart of y on horizontl axis using 0 1 | 
| m17=: [: -. m20 | Table with i{y trailing 0s on row i | 
| d18=: #"0 | x replications of y | 
| m19=: |.@|:@m23 | Barchart of y (up the page) | 
| m20=: [: |."1 m22 | Table with i{y trailing 1s on row i | 
| m21=: [: -. m22 | Table with i{y leading 0s on row i | 
| m22=: d18&1 | y replications of 1, trailing 0s | 
| m23=: d18&'x' | Barchart of y (across the page) | 
| d24=: [ {. ] # 1: | List of y 1s followed by x-y 0s | 
| m25=: [: <: [: m9 m11@(>./) ,] | Count of y among 1 through max y | 
| m26=: [: <: [: m9 m12@(>./) ,] | Count of y among 0 through max y | 
| m27=: [: <: [: m9 m10 , ] | Count of y among min through max y | 
| d28=: [:+/\{.@],>:@[#(}.-}:)@]%>:@[ | Interpolate x values between items of y | 
| d29=: $@]$((* <.@:% #@]) /:@/:@,) | Classify y into x groups |