This tutorial will demonstrate how to use the financial functions to handle time value of money problems and make financial math easy. The TI-84 Plus is a fairly easy, but more difficult than most, to use financial calculator which will serve you well in all finance courses. ![]() It is not necessary to convert to either rectangular or polar before performing the calculation.Are you a student? Did you know that Amazon is offering 6 months of Amazon Prime - free two-day shipping, free movies, and other benefits - to students? Click here to learn more To add, subtract, multiply, and divide complex numbers:Įnter the numbers in either format. However, if your calculator is set to return degrees, the answer will display degrees. By multiplying the phase angle in degrees by (as in the example above), the angle is converted from degrees to radians. NOTE: When entering complex numbers in polar form on the TI-84 Plus, you must enter the angle in radians. NOTE: If you set the calculator to return rectangular form, you can press Enter and the calculator will convert this number to rectangular form. To enter the value: 7.81∠39.8° in polar form NOTE: If you set the calculator to return polar form, you can press Enter and the calculator will convert this number to polar form.ħ.81∠39.8° will look like this on your calculator: 7.81 e 39.81 i To save your changes, select 2 nd – Mode:Įntering complex numbers in rectangular form: On the 4 th line, select DEGREE(to return answers in degrees instead of radians),Īnd on the 8 th line, select a+bi (to return answers in rectangular form) or re^(θ i) (to returnģ.
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