Sharp EL9900C EL-9900C - Page 216
Variables, Operands
UPC - 074000016873
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Chapter 13: Programming Features 3. Variables • Single letters (uppercase letter from A to Z and θ) can be used as variables. • Defined once in one program, a variable is set as a global variable across all other stored programs unless redefined. Hence results calculated in one program can be used by another. • Only value (numbers) can be set as variables. • Strings cannot be set as variables. Setting a variable Use R to input a specific value or the value of formula into the variable. Do not use = (comparison operands) to set the values into variable. 5 → X The variable X is set to the value 5. MX + B → Y The variable Y is set to the value of formula MX + B. 4. Operands • Almost all the calculation operands can be used in a program. • Input an operand directly from the keys sin, cos, log and others) or using MATH, STAT, LIST, MATRIX and other menus. Comparison operands • The calculator has 6 comparison operands. • Press M F and select an appropriate comparison operand. = Equal ≠ Not equal > Greater than ≥ Greater than or equal < Less than ≤ Less than or equal 206