User manual

ECTACO
®
jetBook
®
COLOR User Manual
55
 In the Main Menu, select Language and Games. You will see
the Language and Games window.
 Select Learning Settings.
 Select the New Set command. The New Set window will appear.
 Specify the set name and then tap OK.
 Specify the translation direction.
To add or edit entries, please follow the steps below.
 Select the desired set and then select the Add user word
command.
 In the window that appears, enter your information in every field
as desired.
 To save changes, tap OK.
SCIENCE AND MATH
Graphing Calculator
This application is capable of plotting function graphs.
 In the Main Menu, select Science and Math. You will see the
Science and Math window.
 Select Graphing Calculator.
For example, to plot the graph of the function Y = x*sin (x) on the
interval [-5, 5], please follow the steps below.
 Using the stylus, "press" the following on-screen keys:
Y=, x,t,θ, * , sin, x,t,θ, ) .
Use the f(x) key on the on-screen calculator keyboard to hide or
show the additional fields: From, To, and Step.
 Using the stylus, place the cursor in the From field and enter the
left endpoint value: -5. To enter a minus sign before the digit 5,
first enter the digit and then tap the +/- key on the calculator
keyboard.