Judging by the register area bit density, it seems it would have space for 3-5kbit SRAM cache (replacing the 26,368 bit ROM). I wonder if the basic 4 ops+some a

Judging by the register area bit density, it seems it would have space for 3-5kbit SRAM cache (replacing the 26,368 bit ROM). I wonder if the basic 4 ops+some approximation functions like sqrt would fit in there. Purely alternative history ;)