listati per MathCad

.MCD 25000 0
.CMD SURFACEFORMAT rot=10 tilt=35 vScale=20 size=15,30
.CMD SKETCHFORMAT mag=1.000000,1.000000 center=0.500000,0.500000 size=15,30 box=y
.CMD PLOTFORMAT logs=0,0 subdivs=1,1 size=5,15 type=l
.CMD FORMAT rd=d ct=10 im=i et=5 zt=15 pr=7 mass length time charge
.CMD SET ORIGIN 0
.CMD SET TOL 0.001000000000000
.CMD MARGIN 0
.CMD LINELENGTH 78
.CMD SET PRNCOLWIDTH 8
.CMD SET PRNPRECISION 4
.TXT 0 0 1 53
a1,52,78,51
funzioni grafiche logaritmiche naturali e decimali
.EQN 3 1 1 13
x:1;20
.EQN 2 0 1 15
f(x):ln(x)
.EQN 0 18 3 16
g(x):ln(x)/ln(10)
.EQN 1 36 21 13
g(x)=
.EQN 1 -54 21 6
x=
.EQN 0 7 21 13
f(x)=
.EQN 10 14 11 32
4&0&g(x),f(x){10,1,10,20,l}@20&1&x