mathgenerator/README.md

mathgenerator

A math problem generator, created for the purpose of giving self-studying students and teaching organizations the means to easily get access to random math problems to suit their needs.

To try out generators, go to https://todarith.ml/generate/

If you have an idea for a generator, please add it as an issue and tag it with the "New Generator" label.

Usage

The project can be install via pip

pip install mathgenerator

Here is an example of how you would generate an addition problem:

from mathgenerator import mathgen

#generate an addition problem
problem, solution = mathgen.addition()

#another way to generate an addition problem using genById()
problem, solution = mathgen.genById(0)

Documentation

getGenList() returns a list of all generators in the repository in the format [id, title, self, funcname]

genById(id) generates a problem, solution set with generator id id in the form of a list in the format [problem, solution]

make_pdf(id, count) creates a printable pdf worksheet with count problems generated by the generator with id id.

More complicated worksheets

import sys
from mathgenerator import mathgen

worksheet = mathgen.make_worksheet("2020-11-29")
mathgen.add_section_with_task_to_worksheet(worksheet, 105, 5)
mathgen.add_section_with_task_to_worksheet(worksheet, 2, 5)
mathgen.write_pdf(worksheet)

List of Generators

algebra

Id	Skill	Example problem	Example Solution	Function Name
11	Basic Algebra	3x + 9 = 9	0	basic_algebra
12	Logarithm	log3(6561)	8	log
17	Integer Multiplication with 2x2 Matrix	10 * 8, 6], [7, 3 =	80,60],[70,30	multiply_int_to_22_matrix
20	Midpoint of the two point	(3,-15),(-17,1)=	(-7.0,-7.0)	midpoint_of_two_points
21	Factoring Quadratic	x^2-8x+7	(x-7)(x-1)	factoring
23	Solve a System of Equations in R^2	9x - 9y = -72, -10x - 5y = 20	x = -4, y = 4	system_of_equations
24	Distance between 2 points	Find the distance between (0, -14) and (-8, -6)	sqrt(128)	distance_two_points
26	Linear Equations	-12x + -11y = 138, -1x + -14y = 247	x = 5, y = -18	linear_equations
41	Intersection of Two Lines	Find the point of intersection of the two lines: y = -2/4x + 8 and y = 1x - 8	(32/3, 8/3)	intersection_of_two_lines
43	Cross Product of 2 Vectors	[7, -3, 11] X [3, -12, -16] =	[180, 145, -75]	vector_cross
45	Simple Interest	Simple interest for a principle amount of 1601 dollars, 2% rate of interest and for a time period of 5 years is =	160.1	simple_interest
46	Multiplication of two matrices	Multiply 10 -3 -1 -3 -1 -7 -3 -9 7 5 8 1 and 9 5 8 -5 -1 4 3 7 -8 5 8 -1	101 33 63 -70 30 -54 -83 15 -74 -16 5 -55 29 62 72 30	matrix_multiplication
50	Quadratic Equation	Zeros of the Quadratic Equation 96x^2+123x+24=0	[-0.24, -1.04]	quadratic_equation
65	Multiplication of 2 complex numbers	(2-12j) * -10j =	(-120-20j)	multiply_complex_numbers
72	Dot Product of 2 Vectors	[-19, -4, 13] . [-11, -2, -9] =	100	vector_dot
74	Inverse of a Matrix	Inverse of Matrix Matrix(59, 45, 48], [15, 9, 31], [29, 51, 17) is:	Matrix(17/370, -561/10360, -321/10360], [-23/1110, 389/31080, 1109/31080], [-3/185, 71/1295, 6/1295)	invert_matrix
77	Determinant to 2x2 Matrix	Det(55, 69], [58, 66) =	-372	int_matrix_22_determinant
78	Compound Interest	Compound interest for a principle amount of 7423 dollars, 9% rate of interest and for a time period of 1 year is =	8091.07	compound_interest
100	complex Quadratic Equation	Find the roots of given Quadratic Equation x^2 + 9x + 7 = 0	simplified solution : ((-0.86, -8.14)), generalized solution : ((-9 + sqrt(53))/21, (-9 - sqrt(53))/21)	complex_quadratic
105	Combine Like terms	4x^1 + 6x^7 + 4x^9 + 3x^6 + 7x^4 + 6x^9 + 3x^7 + 8x^5 + 3x^2 + 1x^5	4x^1 + 3x^2 + 7x^4 + 9x^5 + 3x^6 + 9x^7 + 10x^9	combine_like_terms
111	Expanding Factored Binomial	(-5x+10)(-6x-8)	30x^2-20x-80	expanding

basic_math

Id	Skill	Example problem	Example Solution	Function Name
0	Addition	49+24=	73	addition
1	Subtraction	90-14=	76	subtraction
2	Multiplication	65*0=	0	multiplication
3	Division	153/9=	17	division
6	Square Root	sqrt(121)=	11	square_root
8	Square	13^2=	169	square
13	Complex Division	99/25=	3.96	complex_division
16	Fraction Division	(9/5)/(1/10)	18	divide_fractions
28	Fraction Multiplication	(6/1)*(4/9)	8/3	fraction_multiplication
31	Factorial	4! =	24	factorial
44	Compare Fractions	Which symbol represents the comparison between 2/3 and 1/8?	>	compare_fractions
47	Cube Root	cuberoot of 431 upto 2 decimal places is:	7.55	cube_root
53	Exponentiation	16^9 =	68719476736	exponentiation
71	Absolute difference between two numbers	Absolute difference between numbers -48 and -85 =	37	absolute_difference
80	Percentage of a number	What is 26% of 50?	Required percentage = 13.00%	percentage
90	isprime	71	True	is_prime
97	Power of Powers	The 44^5^2 = 44^(5*2) = 44^10	27197360938418176	power_of_powers

calculus

Id	Skill	Example problem	Example Solution	Function Name
7	Power Rule Differentiation	6x^2 + 9x^2 + 2x^8 + 3x^1	12x^1 + 18x^1 + 16x^7 + 3x^0	power_rule_differentiation
48	Power Rule Integration	9x^4 + 7x^7 + 6x^6 + 6x^4	(9/4)x^5 + (7/7)x^8 + (6/6)x^7 + (6/4)x^5 + c	power_rule_integration
88	Differentiation	differentiate w.r.t x : d(sec(x)+4*x^3)/dx	12*x^2 + tan(x)*sec(x)	differentiation
89	Definite Integral of Quadratic Equation	The definite integral within limits 0 to 1 of the equation 62x^2 + 2x + 78 is =	99.6667	definite_integral
110	Stationary Points	f(x)=8x^2 + 7x + 1	(-7/16,-17/32)	stationary_points

computer_science

Id	Skill	Example problem	Example Solution	Function Name
4	Binary Complement 1s	10010001=	01101110	binary_complement_1s
5	Modulo Division	85%29=	27	modulo_division
14	Decimal to Binary	Binary of 17=	10001	decimal_to_binary
15	Binary to Decimal	0	0	binary_to_decimal
56	Fibonacci Series	The Fibonacci Series of the first 20 numbers is ?	[0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181]	fibonacci_series
62	nth Fibonacci number	What is the 48th Fibonacci number?	4807526976	nth_fibonacci_number
64	Binary to Hexidecimal	00	0x0	binary_to_hex
73	Binary 2's Complement	2's complement of =		binary_2s_complement
79	Decimal to Hexadecimal	Binary of 280=	0x118	decimal_to_hexadeci
84	Converts decimal to octal	The decimal number 1994 in Octal is:	0o3712	decimal_to_octal
91	Binary Coded Decimal to Integer	Integer of Binary Coded Decimal 7 is =	29299	bcd_to_decimal
103	Decimal to Binary Coded Decimal	BCD of Decimal Number 9775 is =	26215	decimal_to_bcd

geometry

Id	Skill	Example problem	Example Solution	Function Name
18	Area of Triangle	Area of triangle with side lengths: 18 18 16 =	128.9961239727768	area_of_triangle
19	Triangle exists check	Does triangle with sides 48, 40 and 48 exist?	Yes	valid_triangle
22	Third Angle of Triangle	Third angle of triangle with angles 31 and 7 =	142	third_angle_of_triangle
25	Pythagorean Theorem	The hypotenuse of a right triangle given the other two lengths 16 and 6 =	17.09	pythagorean_theorem
29	Angle of a Regular Polygon	Find the angle of a regular polygon with 12 sides	150.0	angle_regular_polygon
32	Surface Area of Cube	Surface area of cube with side = 1m is	6 m^2	surface_area_cube
33	Surface Area of Cuboid	Surface area of cuboid with sides = 9m, 7m, 6m is	318 m^2	surface_area_cuboid
34	Surface Area of Cylinder	Surface area of cylinder with height = 20m and radius = 19m is	4655 m^2	surface_area_cylinder
35	Volum of Cube	Volume of cube with side = 10m is	1000 m^3	volume_cube
36	Volume of Cuboid	Volume of cuboid with sides = 16m, 4m, 11m is	704 m^3	volume_cuboid
37	Volume of cylinder	Volume of cylinder with height = 18m and radius = 13m is	9556 m^3	volume_cylinder
38	Surface Area of cone	Surface area of cone with height = 45m and radius = 19m is	4049 m^2	surface_area_cone
39	Volume of cone	Volume of cone with height = 38m and radius = 12m is	5730 m^3	volume_cone
49	Fourth Angle of Quadrilateral	Fourth angle of quadrilateral with angles 90 , 59, 150 =	61	fourth_angle_of_quadrilateral
57	Trigonometric Values	What is sin(60)?	√3/2	basic_trigonometry
58	Sum of Angles of Polygon	Sum of angles of polygon with 6 sides =	720	sum_of_polygon_angles
60	Surface Area of Sphere	Surface area of Sphere with radius = 15m is	2827.4333882308138 m^2	surface_area_sphere
61	Volume of Sphere	Volume of sphere with radius 96 m =	3705973.4906218923 m^3	volume_sphere
70	Angle between 2 vectors	angle between the vectors [848.07, 542.12, 669.74, 765.58, 540.05, 31.8, 476.27, 305.45, 148.71, 605.96, 538.21, 613.01, 342.15, 762.78, 849.08, 888.04, 229.57, 673.21, 522.35, 55.69] and [373.43, 892.36, 108.8, 171.3, 283.51, 791.0, 268.17, 870.8, 351.92, 923.46, 732.98, 290.93, 613.57, 487.0, 623.97, 840.61, 901.9, 176.05, 859.64, 227.87] is:	0.7 radians	angle_btw_vectors
75	Area of a Sector	Given radius, 33 and angle, 218. Find the area of the sector.	Area of sector = 2071.72328	sector_area
86	Degrees to Radians	Angle 237 in radians is =	4.14	degree_to_rad
87	Radians to Degrees	Angle 2 in degrees is =	114.59	radian_to_deg
95	Curved surface area of a cylinder	What is the curved surface area of a cylinder of radius, 5 and height, 31?	CSA of cylinder = 973.89	curved_surface_area_cylinder
96	Perimeter of Polygons	The perimeter of a 7 sided polygon with lengths of [98, 54, 9, 78, 1, 106, 36]cm is:	382	perimeter_of_polygons
104	Circumference	Circumference of circle with radius 93	584.3362335677015	circumference
108	Arc length of Angle	Given radius, 25 and angle, 190. Find the arc length of the angle.	Arc length of the angle = 82.90314	arc_length
112	Area of Circle	Area of circle with radius 34	3633.1428571428573	area_of_circle

misc

Id	Skill	Example problem	Example Solution	Function Name
9	LCM (Least Common Multiple)	LCM of 17 and 1 =	17	lcm
10	GCD (Greatest Common Denominator)	GCD of 16 and 9 =	1	gcd
27	Prime Factorisation	Find prime factors of 86	[2, 43]	prime_factors
40	Common Factors	Common Factors of 38 and 100 =	[1, 2]	common_factors
51	HCF (Highest Common Factor)	HCF of 12 and 9 =	3	hcf
55	Comparing surds	Fill in the blanks 6^(1/4) _ 88^(1/1)	<	surds_comparison
63	Profit or Loss Percent	Profit percent when CP = 847 and SP = 880 is:	3.896103896103896	profit_loss_percent
66	Geometric Progression	For the given GP [12, 84, 588, 4116, 28812, 201684] ,Find the value of a,common ratio,7th term value, sum upto 6th term	The value of a is 12, common ratio is 7 , 7th term is 1411788 , sum upto 6th term is 235296.0	geometric_progression
67	Geometric Mean of N Numbers	Geometric mean of 4 numbers 72 , 93 , 63 , 5 =	(729363*5)^(1/4) = 38.10934633766355	geometric_mean
68	Harmonic Mean of N Numbers	Harmonic mean of 3 numbers 68 , 62 and 32 =	3/((1/68) + (1/62) + (1/32)) = 48.32091690544412	harmonic_mean
69	Euclidian norm or L2 norm of a vector	Euclidian norm or L2 norm of the vector[696.4519852852237, 658.9333146828044, 483.3976903342588, 222.67348281350618] is:	1096.5834614726732	euclidian_norm
81	Celsius To Fahrenheit	Convert 73 degrees Celsius to degrees Fahrenheit =	163.4	celsius_to_fahrenheit
82	AP Term Calculation	Find the term number 21 of the AP series: -65, 14, 93 ...	1515	arithmetic_progression_term
83	AP Sum Calculation	Find the sum of first 49 terms of the AP series: -84, -125, -166 ...	-52332.0	arithmetic_progression_sum
85	Converts decimal to Roman Numerals	The number 1119 in Roman Numerals is:	MCXIX	decimal_to_roman_numerals
92	Complex To Polar Form	rexp(itheta) =	13.0exp(i-1.18)	complex_to_polar
93	Union,Intersection,Difference of Two Sets	Given the two sets a={1, 2, 4, 5, 6, 7, 8} ,b={1, 5, 6, 8, 9, 10}.Find the Union,intersection,a-b,b-a and symmetric difference	Union is {1, 2, 4, 5, 6, 7, 8, 9, 10},Intersection is {8, 1, 5, 6}, a-b is {2, 4, 7},b-a is {9, 10}, Symmetric difference is {2, 4, 7, 9, 10}	set_operation
94	Base Conversion	Convert 9E4F from base 16 to base 15.	C01C	base_conversion
98	Quotient of Powers with Same Base	The Quotient of 37^6 and 37^7 = 37^(6-7) = 37^-1	0.02702702702702703	quotient_of_power_same_base
99	Quotient of Powers with Same Power	The Quotient of 50^2 and 11^2 = (50/11)^2 = 4.545454545454546^2	20.661157024793393	quotient_of_power_same_power
101	Leap Year or Not	Year 1933	is not a leap year	is_leap_year
102	Minute to Hour conversion	Convert 563 minutes to Hours & Minutes	9 hours and 23 minutes	minutes_to_hours
106	signum function	signum of -584 is =	-1	signum_function
109	Binomial distribution	A manufacturer of metal pistons finds that, on average, 32.97% of the pistons they manufacture are rejected because they are incorrectly sized. What is the probability that a batch of 12 pistons will contain no more than 9 rejected pistons?	99.95	binomial_distribution

statistics

Id	Skill	Example problem	Example Solution	Function Name
30	Combinations of Objects	Number of combinations from 15 objects picked 5 at a time	3003	combinations
42	Permutations	Number of Permutations from 14 objects picked 7 at a time =	17297280	permutation
52	Probability of a certain sum appearing on faces of dice	If 1 dice are rolled at the same time, the probability of getting a sum of 5 =	1/6	dice_sum_probability
54	Confidence interval For sample S	The confidence interval for sample [274, 205, 285, 208, 269, 231, 246, 238, 212, 278, 266, 270, 243, 297, 295, 283, 249, 296, 279, 294, 255, 277, 239, 245, 203, 288, 287, 253] with 80% confidence is	(266.4148171763757, 252.51375425219572)	confidence_interval
59	Mean,Standard Deviation,Variance	Find the mean,standard deviation and variance for the data[26, 34, 33, 32, 45, 26, 50, 42, 40, 15, 5, 48, 48, 11, 6]	The Mean is 30.733333333333334 , Standard Deviation is 223.79555555555558, Variance is 14.959797978433919	data_summary
76	Mean and Median	Given the series of numbers [43, 48, 78, 71, 82, 32, 49, 26, 76, 3]. find the arithmatic mean and mdian of the series	Arithmetic mean of the series is 50.8 and Arithmetic median of this series is 48.5	mean_median
107	Conditional Probability	Someone tested positive for a nasty disease which only 1.48% of population have. Test sensitivity (true positive) is equal to SN= 98.64% whereas test specificity (true negative) SP= 94.56%. What is the probability that this guy really has that disease?	21.41%	conditional_probability