2-1-5

Basic Calculations

kMultiplication Operations without a Multiplication Sign

You can omit the multiplication sign (⋅) in any of the following operations.

•Before Type A functions (1on page 2-1-3) and Type C functions (6on page 2-1-4), except for negative signs

Example 2sin30, 10log1.2, 2'3, 2Pol(5, 12), etc.

• Before constants, variable names, memory names

Example

2π, 2AB, 3Ans, 3Y1, etc.

• Before an open parenthesis

Example

3(5 + 6), (A + 1)(B – 1), etc.

kOverflow and Errors

Exceeding a specified input or calculation range, or attempting an illegal input causes an error message to appear on the display. Further operation of the calculator is impossible while an error message is displayed. The following events cause an error message to appear on the display.

•When any result, whether intermediate or final, or any value in memory exceeds

±9.999999999 ⋅ 1099 (Ma ERROR).

•When an attempt is made to perform a function calculation that exceeds the input range (Ma ERROR).

•When an illegal operation is attempted during statistical calculations (Ma ERROR). For example, attempting to obtain 1VAR without data input.

•When an improper data type is specified for the argument of a function calculation (Ma ERROR).

•When the capacity of the numeric value stack or command stack is exceeded (Stack ERROR). For example, entering 25 successive (followed by 2 +3 *4 w.

•When an attempt is made to perform a calculation using an illegal formula (Syntax ERROR). For example, 5 **3 w.

#Most of the calculator’s keys are inoperative while an error message is displayed.

Press Jto clear the error and display the error position (see page 1-3-5).

#See the “Error Message Table” on page α-1-1 for information on other errors.

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