500 minus 279 is 221.
Try 1000 / 2 =1000/2"1000" button, then "divide" button, then "2" button
500 minus 315 equals 185.
500 * 1000 = 500,000
1000 minus 36 is equal to 964.
1000
Half of 7000 is 3500 minus 500=3000.
500 + 500 is equal to 1,000
8000-500=7500.
500 - 441 = 59
1147 - 500 = 647
500 - 199 = 301