Supplementary 2 — Detailed Reviews
a
If an error occurs in key operation during formula storage, press the (c^ce) key and
designate the formula number again. Then enter the formula from the beginning.
When the error symbol "E " is displayed depress the (cTeJ key to clear the errol
conditions.
For example: When the non-stored formula key is depressed, or when the kel
is depressed before operating the (33 , [23 , §«| @3 or §3
33 keys.
THE KEYBOARD
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60
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