x’ forecast only on HP-32E

[Matt Agajanian]

(06-20-2023 05:11 AM)Joe Horn Wrote:  Not quite true. The "x hat" (AKA "x forecast" and "estimate x") function is also found in the HP 10B, 10BII, 10C, 12C, 14B, 17B, 17BII, 17BII+, 18C, 19B, 19BII, 19BII+, 20S, 21S, 22S, 27S, 28C, 28S, 30S, 32S, 32SII, 33E, 33C, 33S, 38E, 38C, 38G, 39G, 39G+, 39GS, 40G, 40G+, 40GS, 42S, 48S, 48SX, 48G, 48G+, 48GX, 49G, 49G+, 50G... and maybe others I'm forgetting.

My amnesia must be kicking in. Thanks!