By Ton van de Burgt
Fill-in the known value’s
R1, R2 and R3 when the know value’s are in star, R12, R23, R13 when the know value’s are in triangle.
Press "ST-> T" for Star to Triangle conversion
Press "TR-> S" for Triangle to Star conversion
R1=10, R2=20, R3=30
Start to Triangle; Press [ST-> T]
And the program is ready for another calculation.
Also you can recall or view the calculated values by pressing [RCL] or [Shift] a menu variable.