Memory button M + button: The value to be added to, for example, you have a 5 500 1000 Bank Bank number 4 the Bank 50 number 3 the question whether you have included as much. How to press calculator to find the sum is 1000 x 5 and then press M + (5000) 500 x 4 then press M + 3 x 50 (2000), and then press M + (150)MRC press machine, it will display the sum of all results, which equals 7150.If we press MRC twice will be flushed out of memory, 7150, if we're not hitting this amount is required to sign this here, if we press 20x10, then press M + followed by. MRC button after pressing the set above, shall be 7350 (7150 + 200) Button M-button is just like M +, but it would be a negative, for example, if you press the button from above has the value 10 x 7350 and you press 100 then press M-followed by MRC will fees (7350-100) = 7250.CE button is a button Delete numbers press mistake at that time, for example, requires pressing 500 x 100.But the push to hold 100 x 600 when we press the ce mark will be flushed out of 600, we hit a new 500.But if you press c to delete would be to press the new 100 x 500. GT-button = Grand Total will include every time you press the button, and you counted = calculate price e.g. 5 x 100 piece among the press "=" 500 baht. 10 PCs x 200 baht THB dapum 2000 "=" luak. When you press the button, the GT 2500 baht results. This section of frequently-used buttons% Yes, uncle time, go shopping, according to the Department. Price: 250 items 10% off Press, then press press press 10-250% to 225. Press + 10 and then press press press 250% to 275. MU Mark Up this button or buttons for ideas, there are figures for profit or about setting the sales price of the relevant. Hypothetical in the case as follows:Item cost price 120Set the sales price if contribution ratio in the 200.Profit will be 200-120 = 80 baht. But if we would like to know how much is the MarkUp (profit per sale).It uses the following formula (120-200)/200 will be 40 percent units. If the calculator has a button for this function, the following steps, sweet chili sauce. Press 200 Press-Press 120MU pressThe result is 40 (with units as a percentage)
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