Page 273 - Learn To Program With Scratch

inDex

Symbols arithmetic operations, 119
arrow keys, 32, 37, 40, 159
+ (addition operator), 21 ArrowKeys1.sb2, 159
/ (division operator), 21 AskAndWait.sb2, 118
= (equal to operator), 124 AskAndWait2.sb2, 118
> (greater than operator), 124 AskAndWait3.sb2, 118
< (less than operator), 124 asking questions, to user, 117–118
* (multiplication operator), 21 audio files, playing, 53
– (subtraction operator), 21 average of a list, 225

A B
abs function, 139 backdrops
absolute motion, 26–27 adding, 6
account, creating, 243 defined, 6
accumulator pattern, 225 exporting, 58
addition operator (+), 21 switching, 11
algebraic expression, 95 Backdrops tab, 11
and operator, 135 background music, 53–54, 58
animation, 48 Backpack, 4, 246–247
aquarium, 64 Balloon Blast game, 46
changing hat, 64 BalloonBlast_NoCode.sb2, 46
fireworks, 60–62 Bar Chart application, 221–224
joke, 65 BarChart.sb2, 221
nature, 66 BeatsDemo.sb2, 54
smiley face, 49 beats per minute (bpm), 55–56
sneezing cat, 51–52 binary numbers, 198
stick figure, 48 Binary to Decimal Converter
traffic light, 49 application, 198–101
wolf, 63 BinaryToDecimal.sb2, 198
words, 64 Bird Shooter game, 173–176
zebra, 63 BirdShooter.sb2, 173
Animation.sb2, 48 blocks
Analog Clock application, 171–173 arguments required by, 6
AnalogClock.sb2, 171 categories of, 6
applications. See projects command, 20
Aquarium.sb2, 64 Control. See Control blocks
Area Calculator application, 132–134 custom. See more blocks
AreaCalculator.sb2, 132 Data. See Data blocks
Argue application, 50 dragging to Scripts Area, 7–8
Argue.sb2, 50 Events. See Events blocks
argument function blocks, 20–21, 93
defined, 80 help, 7
passing to block, 7 with hat, 20
arithmetic operators, 21

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