Werner Hefti, president of IDC, a Tokyo-based exporter of electronic calculators, died last Tuesday of cancer, his family said Monday. He was 70.

The Swiss national was a longtime resident of Tokyo, having spent 40 years in the city.

A memorial service for Hefti will be held at 3 p.m. today at Tokyo Baptist Church, 9-2 Hachiyama-cho, Shibuya Ward.