App Shopper: 123s +-x÷ (Games)

App Activity

May 22 '13	Free -> $.99
May 16 '13	$.99 -> Free
May 07 '13	Version 2.0
Feb 13 '13	Free -> $.99
Feb 11 '13	$.99 -> Free
Feb 22 '11	Version 1.2
Dec 14 '10	Version 1.1
Nov 30 '10	$1.99 -> $.99
Nov 15 '10	New App: $1.99, v1.0

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123s +-x÷

iOS Universal

123s +-x÷ is a Search Puzzle for Math Training. Let's enjoy arithmetic.
+ and - , x and ÷ are pairs.
It becomes very effective mathematics training to repeat an addition calculation and a subtraction calculation with the same number. The multiplication and division is similar, too.
QAs example:
kind is 'x÷', calc. numberis 9, QA min is 1, QA max is 9
QAs of case 'x 9'
1 x 9 = 9
2 x 9 = 18
3 x 9 = 27
4 x 9 = 36
5 x 9 = 45
6 x 9 = 54
7 x 9 = 63
8 x 9 = 72
9 x 9 = 81
QAs of case '÷ 9'
9 ÷ 9 = 1
18 ÷ 9 = 2
27 ÷ 9 = 3
36 ÷ 9 = 4
45 ÷ 9 = 5
54 ÷ 9 = 6
63 ÷ 9 = 7
72 ÷ 9 = 8
81 ÷ 9 = 9