SPS BASIC
To provide Users of the early Signal Processing Systems like the DPO a way to control the hardware and to write their own measurement routines a programming language was needed. The BASIC language was choosen because it was simple and easy to use. The user could modify their own programs without the need of recompiling it.
Dartmouth Basic was the basis of all Basic variants.
1973 - 1974: APD Basic
1975 - 1976: TEK Basic
1977: TEK SPS Basic