Toshiba Electronic Desktop Calculator BC-1623. Operating Instructions

 

Toshiba BC-1623

1.-

Explanation of Keys

3.-

Method of operation... Addition and Subtraction

4.-

Multiplication

5.-

Division

6.-

Successive multiplications

7.-

Percentage calculations

8.-

Calculations with a constant

9.-

Raising to a power

10.-

Product-sum and product-difference

11.-

Quotient-sum and quotient-difference.

12.-

id. using M+ and M- keys

13.-

Mixed operations

15.-

Calculation of sum total

16.-

Extraction of square root

17.-

Simultaneous calculation of two totals

19.-

Interest calculations.

20.-

Annual repayment calculations

21.-

Monetary amount calculation

22.-

Proportional Allotment

23.-

Standard deviation

24.-

The cube root

25.-

Specifications

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