Easy level

This level has a single operation per question and the terms are at most 4 digits (including decimals). All answers have 4 digits or less. This is (much) simpler than a real trading test. If you want you can also try this level as a test (posts to !) or set up a custom exercise.

Medium level

This level has a maximum of 4 operations per question and all terms are at most 5 digits including the decimal part. All answers have 5 digits or less. This is about the level of some trading tests. If you want you can also try this level as a test (posts to !) or set up a custom exercise.

Hard level

This level has a maximum of 6 operations per question and all terms are at most 6 digits including the decimal part. All answers have 5 digits or less. This is beyond the level of most trading tests. If you want you can also try this level as a test (posts to !) or set up a custom exercise.

250 ) { $_GET['questionCount'] = 80; } if( ! isset( $_GET['maxTermLength'] ) || ! is_numeric( $_GET['maxTermLength'] ) || $_GET['maxTermLength'] <= 0 || $_GET['maxTermLength'] > 20 ) { $_GET['maxTermLength'] = 6; } if( ! isset( $_GET['maxTermDecimalLength'] ) || ! is_numeric( $_GET['maxTermDecimalLength'] ) || $_GET['maxTermDecimalLength'] <= 0 || $_GET['maxTermDecimalLength'] > 20 ) { $_GET['maxTermDecimalLength'] = 3; } if( ! isset( $_GET['maxAnswerLength'] ) || ! is_numeric( $_GET['maxAnswerLength'] ) || $_GET['maxAnswerLength'] <= 0 || $_GET['maxAnswerLength'] > 20 ) { $_GET['maxAnswerLength'] = 4; } if( ! isset( $_GET['maxAnswerDecimalLength'] ) || ! is_numeric( $_GET['maxAnswerDecimalLength'] ) || $_GET['maxAnswerDecimalLength'] < 0 || $_GET['maxAnswerDecimalLength'] > 20 ) { $_GET['maxAnswerDecimalLength'] = 3; } if( ! isset( $_GET['minOperations'] ) || ! is_numeric( $_GET['minOperations'] ) || $_GET['minOperations'] <= 0 || $_GET['minOperations'] > 9 ) { $_GET['minOperations'] = 1; } if( ! isset( $_GET['maxOperations'] ) || ! is_numeric( $_GET['maxOperations'] ) || $_GET['maxOperations'] <= 0 || $_GET['maxOperations'] > 9 ) { $_GET['maxOperations'] = 4; } if( $_GET['minOperations'] > $_GET['maxOperations'] ) { $_GET['minOperations'] = 1; $_GET['maxOperations'] = 4; } if( ! isset( $_GET['mode'] ) || ( //$_GET['mode'] != 'exam' && $_GET['mode'] != 'test' && $_GET['mode'] != 'practice' ) ) { $_GET['mode'] = 'practice'; } if( ! isset( $_GET['useVariableInteger'] ) && ! isset( $_GET['useVariableDouble'] ) ) { $_GET['useVariableInteger'] = 'on'; $_GET['useVariableDouble'] = 'on'; } if( ! isset( $_GET['useOperatorAdd'] ) && ! isset( $_GET['useOperatorSubtract'] ) && ! isset( $_GET['useOperatorMultiply'] ) && ! isset( $_GET['useOperatorDivide'] ) ) { $_GET['useOperatorAdd'] = 'on'; $_GET['useOperatorSubtract'] = 'on'; $_GET['useOperatorMultiply'] = 'on'; $_GET['useOperatorDivide'] = 'on'; } // FIXME this prevent do..while deadlocks below but it's not nice if( ! isset( $_GET['useVariableInteger'] ) && isset( $_GET['useVariableDouble'] ) && ! isset( $_GET['useVariableFactor'] ) && ! isset( $_GET['useOperatorAdd'] ) && ! isset( $_GET['useOperatorSubtract'] ) && isset( $_GET['useOperatorMultiply'] ) && ! isset( $_GET['useOperatorDivide'] ) && ! isset( $_GET['optimizeSolvability'] ) ) { die( 'Impossible combination to guarantee easy exercises, disable optimizeSolvability if you really want this.' ); } // Show setup? if( isset( $_GET['showSetup'] ) ) { ?> Set up exercise

In practice mode the answers are selectable on the same page and no scoring will be done. In test mode you need to click a "Finished" button and your score will be calculated.

# Questions
Term & answer sizes
Max term length	(total # of digits, including fraction)
Max term decimal length	(# of digits after ., if variable is a double)
Max answer length	(total # of digits)
Max answer decimal length	(# of digits after ., if used)
Operations
Min operations
Max operations

Variables
Integer
Double	(This includes floats)
Use negative values for variables
Operators
Add (+)
Subtract (-)
Multiply (*)
Divide (/)
Optimizations
Optimize solvability	Limits complexity in some situations.
Prevent too simple	Guarantee operator changing & no arbitragable values.

Scoring

You get one point for every correct answer. Deduct one point for each error. If you skip a question or run out of time in a timed test, all following questions are not used in your score. Time yourself to 6 seconds per question. Generally you need to pass 55 out of 80 questions or ~70% of the maximum score, but higher is always better.

Manual

The answer to the test will be printed right next to it in the site's background color. You can use CTRL+A, Command+A or use the mouse to select all text on this page.

Questions

1)	-29 - -13	-16
2)	3673 + 2	3675
3)	-6 / -1	6
4)	713 / 155	4.6
5)	16.6 + 2	18.6
6)	-26.3 - -29	2.7
7)	89 - -797	886
8)	70 + 5	75
9)	1663 - 42	1621
10)	117 - 11.9	105.1
11)	35.5 * 0.068	2.414
12)	549 - 37.6	511.4
13)	9.605 + -7.144	2.461
14)	58 * 5	290
15)	4.4 - 40	-35.6
16)	-405 + 38	-367
17)	10 * -0.2	-2
18)	0.005 - -2.753	2.758
19)	9 * 33	297
20)	24 / -6	-4
21)	0.6 + 36.65	37.25
22)	-1 - 135	-136
23)	770 * 0.008	6.16
24)	4.8 / -0.1	-48
25)	6023 + 95	6118
26)	-0.95 - 3	-3.95
27)	5 + -1	4
28)	0.9 + 5.03	5.93
29)	4 * 6.5	26
30)	6 - 55	-49
31)	4 - 9.44	-5.44
32)	0.09 * -94	-8.46
33)	0.2 - 1.14	-0.94
34)	69 + 906	975
35)	99 + 0.8	99.8
36)	73.1 * 1	73.1
37)	0.8 + 602	602.8
38)	-0.3 - 0.6	-0.9
39)	926 * 0.03	27.78
40)	0.01 - 3.9	-3.89
41)	6 - 0.002	5.998
42)	-207 + -93	-300
43)	0.01 - 2.7	-2.69
44)	9.044 / 0.007	1292
45)	559 + 24	583
46)	-14 * -0.83	11.62
47)	294.5 + 87	381.5
48)	2 - 6.14	-4.14
49)	0.008 + 1.65	1.658
50)	109.6 * 0.03	3.288
51)	-0.02 - -9	8.98
52)	-7 / 2	-3.5
53)	-0.01 * 8	-0.08
54)	-4 + 9	5
55)	8 - 7.6	0.4
56)	0.5 / 2	0.25
57)	82 + -55.5	26.5
58)	8 - 9.4	-1.4
59)	6 * 182	1092
60)	-0.08 - 6	-6.08
61)	9573 + 13	9586
62)	-97 - -3874	3777
63)	2843 - -593	3436
64)	0.003 - -0.09	0.093
65)	0.8 + -8	-7.2
66)	-75.4 + 850	774.6
67)	71.7 - 9.2	62.5
68)	980 - 13	967
69)	70 + 37	107
70)	-76.5 + -2.3	-78.8
71)	998 - 77	921
72)	-0.018 + 0.03	0.012
73)	39 - 833	-794
74)	5 - -131	136
75)	508 - -0.6	508.6
76)	4 - 1	3
77)	-69 + 9	-60
78)	874 + -0.5	873.5
79)	1 - 7.73	-6.73
80)	720 + 5	725

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Test: Easy | Medium | Hard
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