This calculator will ask you what operation you want. You can choose (what you should type in is on the left, the symbol is on the right): addition (+) subtraction (-) multiplication (x,*,(),•) division (/,÷) absolute value (abs,||) floor ceiling square root (√) sine (sin) cosine (cos) tangent (tan) arc sine (asin) arc cosine (acos) arc tangent (atan) natural logarithm (ln) logarithm (log) e to the x (e^x,e^) 10 to the x (10^x,10^) Addition, subtraction, multiplication, and division can have up to four numbers. When it asks How many numbers?, say 2, 3, or 4, depending on the number of numbers you want to use. Warning!!! The calculator has a battery life of 1 hour.
