This is METAFONT, WAITS Version -85.0 (INIMF)  1 MAY 1984 00:18
**eqns
(EQNS.MF[MF,DEK]
tracingequations:=1;=>tracingequations:=1;

 =>

h=v=1;		% a simple pair of equations=>pausing:=0;h=v=1;		% a simple pair of equ
ations
## v=1
## h=1
## s=9
## r=6
## y1=17
## x1=12
## y2=-0.5x2+8
## x2=6
#### y2=5
## y3=-0.5x2+8
## x2=6
#### ypart %CAPSULE12866=5
#### xpart %CAPSULE12885=6
#### y3=5
## x3=6
#### xpart %CAPSULE12866=6
## y4=11
## x4=9
## y5=13.00006
## x5=10.00003
## y6=0.66667y7+0.33333y8
## x6=0.66667x7+0.33333x8
## y7=y9+17
## x7=x9+12
x7=x9+12
y7=y9+17
x6=0.33333x8+0.66667x9+8.00006
y6=0.33333y8+0.66667y9+11.33342
! OK.
l.47 tracingonline:=1; showdependencies;
                                        ↑↑I% this shows all variables...
? 
## y9=0
#### y7=17
## x9=0
#### x7=12
## y8=-7
#### y6=9.00012
## x8=0
#### x6=8.00006
! OK.
p.2,l.11 showdependencies;
                          
? 
## y11=20
## x11=10
## y12=65
## x12=100
## y13=65
## x13=30
## y14=8
## x14=49
## a=0.02222y10-0.44444
## y10=0.5x10+14.99992
## b=-0.00877x10+0.8772
## x10=39.9999
#### b=0.52632
#### ypart %CAPSULE12452=34.99971
#### xpart %CAPSULE12452=39.9999
#### y10=34.99988
#### a=0.33333
! Redundant equation.
p.2,l.41 x1=12;
                % this causes the error message "! Redundant equation."
? 
! Inconsistent equation (off by 1).
p.2,l.45 z1=(13,17);
                    ↑↑I% but this causes one: ! Inconsistent equation...
? 
## w=-0.33333x+2
## y=-0.5x+3
! Variable x should have been defined.
p.2,l.50 numeric x;
                   ↑↑I% it's bad to undefine x now, since w and y dep...
? 
#### y=3
#### w=2
unknown string s4
! OK.
p.3,l.5 show s1,
                s2,s3,s4;
? s
OK, entering scrollmode...
unknown string s1
! OK.
p.3,l.5 show s1,s2,
                   s3,s4;

unknown string s2
! OK.
p.3,l.5 show s1,s2,s3,
                      s4;

unknown string s3
! OK.
p.3,l.5 show s1,s2,s3,s4;
                         

s=9
s[]=unknown string
s1=unknown string s4
s2=unknown string s1
s3=unknown string s2
s4=unknown string s3

! OK.
p.3,l.12 showvar s;
                   ↑↑I% here's a faster way to show all of the "s" va...

s=9
s[]=unknown string
s1="gosh"
s2="gosh"
s3="gosh"
s4="gosh"

! OK.
p.3,l.21 showvar s;
                   

)
*end