VICTOR TECHNOLOGY
44
• Third month: 50 bricks at $0.52 a brick
• Fourth month: 100 bricks at $0.61 a brick
• Fifth month: 250 bricks at $0.49 a brick
Find the weighted mean cost of the bricks.
ENTRIES DISPLAY
b ∑-
48.00
Displays the first x value.
.68 ENTER 150 ∑+
1.00
Displays which entry has just been entered …
the first data pair.
.43 ENTER 100 ∑+
2.00
Displays which entry has just been entered …
the second data pair.
.52 ENTER 50 ∑+
3.00
Displays which entry has just been entered …
the third data pair.
.61 ENTER 100 ∑+
4.00
Displays which entry has just been entered …
the fourth data pair.
.49 ENTER 250 ∑+
5.00
Displays which entry has just been entered …
the fifth data pair.
r x w
0.55
Displays the weighted mean for the x values
(price).
Mathematical Features and Functions
Most mathematical operations need only one number to be in the calculator (on
the display screen) before a function button is touched. Touching the function
button displays the result in the display screen in place of the originally entered
number.
Fractional Values
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