Casio fx 991MS User Guide - Page 13

k Decimal Point and Separator Symbols You can use the display setup (Disp) screen to specify the symbols you want for the decimal point and 3-digit separator. • To change the decimal point and separator symbol set- ting, press the F key a number of times until you reach the setup screen shown below. Disp 1 • Display the selection screen. fx-95MS: 1 r Other Models: 1 r r • Press the number key (1 or 2) that corresponds to the setting you want to use. 1(Dot): Period decimal point, comma separator 2(Comma): Comma decimal point, period separator k Initializing the Calculator • Perform the following key operation when you want to initialize the calculation mode and setup, and clear replay memory and variables. A B 3(All) = Basic Calculations COMP k Arithmetic Calculations Use the F key to enter the COMP Mode when you want to perform basic calculations. COMP F 1 • Negative values inside of calculations must be enclosed within parentheses. sin -1.23 → S R D 1.23 T 11