Texas Instruments TI-5045SV User Manual page 6

Multiplication, division, percent and margin keys
Multiply: Multiplies the number in the display by the next value entered.
Divide: Divides the number in the display by the next value entered.
Equals: Completes any pending multiplication or division operation.
Percent: Calculates percentages, ratios, add-ons (e.g. of VAT), or discounts.
#
Gross Profit Margin: Calculates the selling price of an item when its cost and gross
profit (or loss) margin are known; also used to obtain a price excluding VAT.
Ex.
Cost: 594
Profit margin: 40%
Press: 2 594 # 40 3
Answer:
Selling price: 990
Gross profit: 396
/
Grand Total: Gives the grand total of the operations previously performed and stored in the
Grand Total register. Every time a total is obtained with E it is cumulated into this register
(printout shows G+) which is only cleared when / is pressed twice. During long
calculations, if / is not used, this register can overflow and cause an error condition
shown by E in the display. This register is only cleared by pressing / twice.
Note: Set the POWER switch to GT for this function.
!
Add TAX: Adds the stored tax rate to the value in the display.
"
Subtract TAX: Subtracts the stored tax rate from the value in the display.
Memory keys
Calculations in the memory and in the add register are performed separately. Multiplication and
division (as well as GPM operations) are automatically completed and the result printed when you
press or . The symbol M appears on the left of the display to indicate that the memory content
is nonzero.
Add to Memory: Adds the displayed number into the memory.
Subtract from Memory: Subtracts the number in the display from the memory.
Memory Subtotal: Displays and prints the number in memory. Using this key does not
affect the contents of the memory.
Memory Total: Displays and prints the number in memory, then clears the memory.
Ex.
Selling price including VAT: 252
VAT %: 20%
Press: 252 # 20 . 3
Answer:
Selling price excluding VAT: 210
VAT: 42
4