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## HP 6s Calculator - Polar to Rectangular Conversions in the HP 6s Calculator

Introduction
This document explains how to use the HP 6s calculator to perform polar to rectangular and rectangular to polar conversions.
Calculator symbol key
The procedures in this document use the following text to represent symbol keys:
 Key Description Text representation Square root key SQx
Polar to rectangular coordinates conversions
Use the formula in Figure 1 to calculator polar to rectangular coordinates conversions:
Figure : Formula for polar to rectangular coordinate conversion
Find the value of x and y when the point P is shown as in Figure 2 in the polar coordinates:
Figure : Polar to rectangular conversion example coordinates
 Keys Display Description PressDRGto toggle toDEG. Press 2, INV, X-Y, 60, INV, then P-R 1 X Press INV, then X-Y 1.732050808 Y Press INV, then X-Y 1 X
Rectangular to polar coordinates conversions
Use the formula in Figure 3 to calculator rectangular to polar coordinates conversions:
Figure : Formula for rectangular to polar conversions
Find the length and angle when the point P is shown as in Figure 4.
Figure : Rectangular to polar conversion example coordinates
 Keys Display Description PressDRG to toggle to RAD. Press 1, INV, X-Y, 3, INV, SQx, R-P, then = 2 R Press INV, then X-Y 1.047197551 Radian Press INV, then X-Y 2 R

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