From Unit:
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19-20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
to Unit:
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19-20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Drill style:
Multiple clicks
for answer
One click
for answer
Study mode
Show derivatives with meaning
Use choice menu in top frame to select a different kind of drill.