TI-83
'(Minute)
On a TI calculator you can enter an angle in minutes
ANGLE B
2nd MATRX 2
or via the catalog as
CATALOG ⎵ 2nd 0 ►' ENTER
Example 1
To calculate sin (30° 1' 23") = -.9842…
ANGLE SIN 3 0 2nd MATRX 1 sin(30°
ANGLE 1 2nd MATRX 2 sin(30°1'
MEM " 2 3 ALPHA + ) ENTER sin(30°1'23") -.9842129995