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It replaces the Log(x), tan(x), hyper, and π keys of its scientific-type sister model 909 with factorials and statistical functions.
- The 926 Programmer provides programming functionality with conditionals, branching and subroutines for the 909/911.
- 928 Instructor (cassette interface)
- 941 printer
- 923 card reader
- 920 "Repeater"
- 905 Junction box
- please add