1
Q
Transpose the following into cross cylinder form:
-1.25 -0.37 x 180
A
-1.25 x 090 , -1.62 x 180
2
Q
Transpose the following in cross cylinder form:
-1.00 +1.12 x 45
A
-1.00 x 135 , +0.12 x 045
3
Q
Combine the following cross-cylinders and write them in both plus and minus cylinder:
+0.25 + 1.00 x90 (combined with) -0.50 +1.00 x180
A
+0.75 sphere
4
Q
Combine the following cross-cylinders and write them in both plus and minus cylinder:
+1.00 x35 (combined with) -2.00 x35
A
plano -1.00 x 35 , -1.00 +1.00 x 125
