How Do You Use A TI 89 Calculator?
The TI-89 is a powerful graphing calculator designed to solve and graph equations with ease. Whether you need to do simple math problems for algebra, or graph complex equations for a college math class, the TI-89 can handle them all. Learn how to use the TI-89 calculator for all you mathematical needs. Press the “On” button in the bottom left-hand corner of the calculator. To turn the calculator back off, press the yellow “2nd” key in the top left corner and press “On” again. Notice the “On” key has the word “Off” written in white above it. Pressing the “2nd” key while simultaneously pressing a second key will cause the calculator to perform the function written in white above that key, not the function written on the key. Use the multiplication, addition, subtraction, and division buttons on the right side of the calculator to work math problems. The “Enter” key at the bottom is the same as pressing the equals sign. Enter a letter by pressing the “2nd” key and the button with the lett
