CALCULATOR Applications: 1. 3 + 5 x 3 – 10 ÷ 2 + 8 = 21 0.9 2. 8 = 6.498 3. 8 – 2 x log 1000 + 10 = 12 3 5 4. 2 + Log 10 ÷ 2.5 – 3 = 7 5. 1000 = 10000 x 10 - 2 t ; t = ½