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Home > What's new calculators
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Educational Level
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Secondary school, High school and College |
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Program Purpose
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Provide step by step solutions of your problems using online calculators (online solvers)
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Problem Source
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Your textbook, etc |
1. Raw Moments to Central Moments conversion (on 24.12.2025)
The first four moments of a distribution about the value 4 are 1,4,10,45. Calculate the first four moments about mean and origin
2. Raw Moments and Central Moments for grouped data on 23.12.2025
3. Raw Moments and Central Moments for ungrouped data
4. Thomas algorithm method on 12.11.2025
5. Inverse Power Method for dominant eigenvalue on 11.11.2025
6. Verify polynomial is divided by another polynomial or not on 06.10.2025
7. Determinant by gaussian elimination on 05.08.2025
8. Determinant by Expanding along row / column
9. Determinants using montante (bareiss algorithm)
10. Determinant using Leibniz formula
11. Complex Number on 10.06.2025
1. Adding complex numbers
2. Subtracting complex numbers
3. Multiplying complex numbers
4. Dividing complex numbers
5. Real part of complex number
6. Imaginary part of complex number
7. Conjugate of complex number
8. Modulus / Magnitude / Absolute value of complex numbers
9. Multiplicative inverse of complex numbers
10. Reciprocal of complex number
11. Argument / Arg / Angle / Phase of complex number
12. Polar form of complex number
13. Exponential form of complex number
14. Square root of complex number
15. Cube root of complex number
16. Powers of complex numbers
17. Roots of complex numbers
12. Polynomial on 28.05.2025
1. Identify the like terms in algebraic expression
2. Classify polynomial as monomials, binomials, trinomials, or other polynomial
3. Classify polynomial as linear, quadratic and cubic polynomials
13. Random number calculator on 05.05.2025
1. Random number generator
2. Random string generator
3. Random password generator
4. Random list generator
5. Roll dice
6. Flip coin toss
7. Random card shuffle
8. Random binary number generator
9. Random octal number generator
10. Random hex number generator
11. Random n digit number generator
14. HCF LCM calculator on 03.05.2025
1. HCF of decimal numbers
2. LCM of decimal numbers
3. HCF of fractions
4. LCM of fractions
15. Standard form calculator on 02.05.2025
1. Standard form of a number
2. Standard form of rational number
3. Standard form of linear equations in one variable
4. Standard form of linear equations in two variables
5. Standard form of linear equations (any variables)
6. Standard form of quadratic equation
7. Standard form of cubic polynomial
8. Standard form of polynomial
16. Logarithm on 15.04.2025
1. Convert from exponential to logarithmic form
2. Convert from logarithmic to exponential form
17. Angles on 26.02.2025
1. Complementary angle
2. Supplementary angle
3. Reference angle
4. Decide Types of angles based on measurement (Right angle, Acute angle, Obtuse angle)
5. Quadrant of angle
18. Decimal number on 18.11.2024
1.1 Decimal to Fraction
1.2 Fraction to Decimal
1.3 Decimal to Percentage
1.4 Percentage to Decimal
1.5 Decimal to Standard form
1.6 Standard form to Decimal form
2. Expanded form of a number
3. Succeeding number
4. Preceding number
5. Even or odd number
6. Comparing Numbers (Greater Than Or Less Than)
7. Minimum number
8. Maximum number
9. Ascending, Descending order of numbers
10. Rounding Numbers
11. Classifying numbers (Rational,Irrational,Real,Natural,Integer)
12. Terminating or non terminating decimal expansion
13. Additive inverse
14. Multiplicative inverse
15. Opposite number
16. Reciprocal number
17. Absolute value of a number
18. Plotting numbers on a number line
19. Like and Unlike decimals
20. Convert unlike decimals to like decimals
21. +, -, *, / of numbers
22. Model +, - of numbers
23. Simplify expression
19. Rational Zeros Theorem to find all possible rational roots of a polynomial on 04.10.2024
20. Scientific notation on 16.08.2024
1. Convert Scientific notation to Decimal notation
2. Convert Decimal notation to Scientific notation
3. Add, subtract, multiply and divide of Scientific notation numbers
21. Fraction on 05.08.2024
1. Numerator and Denominator Fractions
2. Proper and Improper Fractions
3. Like and Unlike fractions
4. Model Fractions (Visual Fractions)
5. Simplify Fraction
6. Equivalent Fractions
7. How many eighths are equivalent to 1/2
8. Fraction to Decimal (Mixed Number to Decimal)
9. Decimal to Fraction (Decimal to Mixed Number)
10. Fraction to Percentage (Mixed Number to Percentage)
11. Percent to Fraction
12. Improper fraction to Mixed number
13. Mixed Number to Improper Fraction
14. Reciprocal of a fraction
15. LCD of fractions
16. Convert unlike fraction to like fraction
17. Comparing fractions
18. Ascending and descending order of fractions
19. Add, subtract, multiply and divide of Fractions
20. Add, subtract, multiply and divide of Mixed numbers
21. Visual Model for Adding, Subtracting of Fractions
22. Simplify fraction expression
22. Prime numbers on 26.06.2024
22.1 Is 31 a prime number
22.2 Which of the following is a prime number 13,48,49,23,45,47
22.3 Which of the following is a composite number 13,19,22,31
22.4 First 1000 prime numbers
22.5 5th prime number
22.6 Prime numbers from 1 to 1000
22.7 Greatest prime number between 1 and 100
22.8 What is the next 2 prime number after 37
22.9 What is the previous 2 prime number before 37
22.10 What is the largest 2 digit prime number
22.11 What is the smallest 4 digit prime number
22.12 Express 21 as the sum of three prime numbers
22.13 are 25 and 27 co-prime numbers
22.14 Find all co-prime numbers from 1 to 100
22.15 are 11 and 13 twin primes
22.16 Find all twin prime numbers between 1 to 100
23. Multiples of a number on 26.06.2024
23.1 Find Multiple of 8 using Multiplication method
23.2 Find Multiple of 8 using Repeated addition method
23.3 Find the first 6 Multiple of 8
23.4 Find the sum of first 12 Multiple of 12
23.5 Find the average of first 12 Multiple of 12
23.6 Find Multiple of 7 that are less than or equal to 56
23.7 Find Multiple of 12 that are between 20 and 70
23.8 Find the smallest Multiple of 13 greater than 1000
23.9 Find the largest Multiple of 7 less than 1000
23.10 How many Multiple of 7 between 100 and 1000
23.11 Is 104 a multiple of 8
24. Factors and Prime factors of a number on 11.06.2024
24.1 Prime factorization by Division method
24.2 Prime factorization using Factor tree method
24.3 Prime factorization using the Ladder method
24.4 Factors by Division method
24.5 Factors by Multiplication method
24.6 Factor Pairs
25. HCF and LCM of numbers on 24.05.2024
25.1 HCF by Listing Method
25.2 HCF by Prime Factorization Method
25.3 HCF by Division Method
25.4 HCF by Repeated Division Method
25.5 LCM by Listing Method
25.6 LCM by Prime Factorization Method
25.7 LCM by Division Method
25.8 LCD
25.9 Common Factor by Listing Method
26.1 Log | Logarithm on 28.04.2024
26.2 ln - Natural log
26.3 Antilog | Antilogarithm
26.4 Anti Natural log
27. The Equation for the terminal Side `theta` is `2x+y=0, x>=0`. Find the value of all six trigonometric functions on 25.04.2024
28. Net Present Value (NPV) on 19.03.2024
29. Amortization on 14.03.2024
30.1 Future value using Simple Interest on 05.03.2024
30.2 Future value using Compound Interest
30.3 Future value of Annuity
30.4 Future value of Annuity Due
30.5 Present value using Simple Interest
30.6 Present value using Compound Interest
30.7 Present value of Annuity
30.8 Present value of Annuity Due
30.9 Contineous Compounding
31.1 Future value factor
31.2 Present value factor
31.3 Discount factor
31.4 Future value factor table
31.5 Present value factor table
31.6 Discount factor table
32.1 Effective interest rate
32.2 Nominal interest rate
33.1 Simple bar graph on 26.02.2024
33.2 Multiple bar graph
33.3 Percentage bar graph
33.4 Simple stacked bar chart
33.5 Percentage stacked bar chart
33.6 Pie Chart
33.7 Donut Chart
33.8 Scatter Plot | XY Graph
33.9 Line Graph
34.1 Ogive (cumulative frequency curve) on 25.01.2024
34.2 Frequency polygon with the help of Histogram
34.3 Frequency curve with the help of Histogram
35. Queueing Theory on 06.01.2024
35.1 M/M/1 Queuing Model
35.1 M/M/1/N Queuing Model (M/M/1/K)
35.1 M/M/1/N/N Queuing Model (M/M/1/K/K)
35.2 M/M/s Queuing Model (M/M/c)
35.2 M/M/s/N Queuing Model (M/M/c/K)
35.2 M/M/s/N/N Queuing Model (M/M/c/K/K)
35.2 M/M/Infinity Queuing Model
36. Binomial expansion `(2x+3y)^5` on 26.09.2023
37. Words to Numbers Converter on 24.09.2023
38. Oddment method on 29.07.2023
39. Index Number on 16.07.2023
1.1 Fixed base method
1.2 Chain base method
2. Unweighted Index Number
2.1 Simple Aggregative Method
2.2 Simple Average of Price Relative Method (using the arithmetic mean)
2.3 Simple Average of Price Relative Method (using the geometric mean)
3.1 Fixed base method for bivariate grouped data
3.2 Chain base method for bivariate grouped data
4.1 Conversion of fixed base index numbers into chain base index numbers
4.2 Conversion of chain base index numbers into fixed base index numbers
5. Weighted Index Numbers
5.1 Laspeyre's price index number
5.2 Paasche's price index number
5.3 Fisher's price index number
5.4 Marshall Edgeworth's price index number
5.5 Dorbish-Bowley's price index number
5.6 Kelly's price index number
5.7 Walsh's price index number
6.1 Weighted aggregate method
6.2 Weighted average of price relatives method
7. Cost of living Index number
7.1 Aggregate expenditure method
7.2 Family budget method
40. Mode using Grouping Method on 12.12.2022
41. Construct an ungrouped frequency distribution table on 28.11.2022
42. Construct a grouped frequency distribution table
43. Maximum, Minimum for ungrouped data
44. Sum, Length for ungrouped data
45. Range, Mid Range for ungrouped data
46. Stem and leaf plot for ungrouped data
47. Ascending order, Descending order for ungrouped data
48. Run Length Encoding on 21.11.2022
49. Run Length Decoding
50. Modulo on 15.11.2022
51. Fast modular exponentiation
52. Coding Decoding on 19.10.2022
53. Ridder's Method on 23.05.2022
54. Vector triple product on 13.04.2022
55. Law of Sines Calculator on 13.04.2022
56. Law of Cosines Calculator
57.1 Sine Calculator on 11.04.2022
57.2 Cosine Calculator
57.3 Tangent Calculator
57.4 Cosecant Calculator
57.5 Secant Calculator
57.6 Cotangent Calculator
58.1 Inverse Sine Calculator
58.2 Inverse Cosine Calculator
58.3 Inverse Tangent Calculator
58.4 Inverse Cosecant Calculator
58.5 Inverse Secant Calculator
58.6 Inverse Cotangent Calculator
59.1 Hyperbolic Sine Calculator
59.2 Hyperbolic Cosine Calculator
59.3 Hyperbolic Tangent Calculator
59.4 Hyperbolic Cosecant Calculator
59.5 Hyperbolic Secant Calculator
59.6 Hyperbolic Cotangent Calculator
60.1 Inverse Hyperbolic Sine Calculator
60.2 Inverse Hyperbolic Cosine Calculator
60.3 Inverse Hyperbolic Tangent Calculator
60.4 Inverse Hyperbolic Cosecant Calculator
60.5 Inverse Hyperbolic Secant Calculator
60.6 Inverse Hyperbolic Cotangent Calculator
61. If `x+y+z=1,xy+yz+zx=-1` and `xyz=-1` then find `x^3+y^3+z^3` on 25.02.2022
62. If `alpha` and `beta` are roots of equation `2x^2-3x-6=0`, then find `alpha^2+beta^2` on 29.01.2022
63. If `alpha` and `beta` are roots of equation `2x^2-3x-6=0`, then find equation whose roots are `alpha^2` and `beta^2`
64. Find value of `k` for which `2x^2+kx+2=0` has real roots
65. Wrong Number series on 06.01.2022
66. Missing Number Series
67. Alphabate series on 13.12.2021
68. Missing Letter Series
69. Richardson extrapolation formula for differentiation on 11.12.2021
70. Find other polynomial when one polynomial its GCD and LCM are given
71. Lattice Multiplication on 08.12.2021
72.1 Missing Digits solver, fill in the blank solver on 06.11.2025
72.2 Alphametic Puzzles, Algebrograms, Cryptarithms, Cryptograms solver on 02.12.2021
73. Restoring Division Algorithm For Unsigned Integer on 29.11.2021
74. Non-Restoring Division Algorithm For Unsigned Integer on 01.12.2021
75 Solve (2nd order) numerical differential equation using (on 17.10.2021)
1. Euler method
2. Runge-Kutta 2 method
3. Runge-Kutta 3 method
4. Runge-Kutta 4 method
76.1 Find the value of h,k for which the system of equations has a Unique solution on 16.10.2021
76.2 Find the value of h,k for which the system of equations has Infinite solution
76.3 Find the value of h,k for which the system of equations has No solution
76.4 Find the value of h,k for which the system of equations is consistent
76.5 Find the value of h,k for which the system of equations is inconsistent
76.6 Determine whether the system of linear equations has a Unique solution
76.7 Determine whether the system of linear equations has Infinite solution
76.8 Determine whether the system of linear equations has No solution
76.9 Determine whether the system of linear equations is consistent
76.10 Determine whether the system of linear equations is inconsistent
77. Chinese Remainder Theorem on 08.08.2021
78. Extended Euclidean Algorithm
79. Euclid's Algorithm
80. Modular multiplicative inverse
81. Remainder theorem on 04.08.2021
82. Singular Value Decomposition (SVD) Code improved on 29.07.2021
83. Numerical Differentiation first order and second order using on 14.07.2021
1. 2 point Forward, Backward, Central difference formula
2. 3 point Forward, Backward, Central difference formula
3. 4 point Forward, Backward, Central difference formula
4. 5 point Forward, Central difference formula
84. Time Series and Forecasting on 07.07.2021
1. Simple Moving Average
2. Weighted Moving Average
3. Single Exponential Smoothing
4. Simple Moving Average forecast
5. Weighted Moving Average forecast
6. Single Exponential Smoothing forecast
85. Cubic spline interpolation on 28.06.2021
86. Missing terms in interpolation table on 27.05.2021
87. Lagrange's Inverse Interpolation formula on 24.05.2021
88. on 11.05.2021
1. LU decomposition using Doolittle's method of Matrix
2. LU decomposition using Crout's method of Matrix
3. Solve systems of linear equations using Doolittle's method
4. Solve systems of linear equations using Crout's method
89. Statistical Methods on 09.04.2021
1. Five number summary for ungrouped data
2. Box and Whisker Plots for ungrouped data
3. Five number summary for grouped data
4. Box and Whisker Plots for grouped data
90. Verifying if two functions are inverses of each other on 03.04.2021
91. Polynomial on 13.03.2021
1. Polynomial in ascending order
2. Polynomial in descending order
3. Degree of a polynomial
4. Leading term of a polynomial
5. Leading coefficient of a polynomial
6. Determine expression is a polynomial or not
7. Zeros of a polynomial
92. is Negative Definite Matrix on 28.02.2021
93. Row Space on 13.02.2021
94. Column Space
95. Null Space
96. Percentage on 06.02.2021
97. Arithmetic Progression
98. Geometric Progression
99. Simple Interest
100. Compound Interest
101. Relaxation method on 22.01.2021
102. Karnaugh Map method (Kmap) on 21.01.2021
103. Quine-McCluskey method
104. Halley's Method on 11.01.2021
105. Steffensen's Method
106. is Derogatory Matrix on 03.11.2020
107. Functions on 30.07.2020
1. Domain of a function
2. Range of a function
3. Inverse of a function
4. Properties of a function
5. Vertex of a function
6. Focus of a function
7. axis symmetry of a parabola
8. Directrix of a function
9. Intercept of a function
10. Parity of a function
11. Asymptotes of a function
108. on 26.07.2020
1. solve equation `3/y+14/x=5,21/x-1/y=2` by taking `1/x=X` and `1/y=Y`
2. solve equation `3x+14y=5xy,21y-x=2xy` by dividing `xy`
109. on 09.07.2020
1. Taylor Series method
2. cuberoot(48) using iteration method
110. Numerical Interpolation using on 06.07.2020
11. Hermite's formula
111. Numerical Interpolation using on 24.06.2020
6. Gauss Forward formula
7. Gauss Backward formula
8. Stirling's formula
9. Bessel's formula
10. Everett's formula
112. Numerical Differentiation using on 24.06.2020
4. Newton's Divided Difference formula
5. Lagrange's formula
6. Stirling's formula
7. Bessel's formula
113. Numerical Integration using on 24.06.2020
4. Boole's Rule
5. Weddle's Rule
114. Sequencing Problems - Processing 2 Jobs Through m Machines Problem on 17.04.20
115. SOR (Successive over-relaxation) method on 11.04.20
116. For P(3,4), find the value of all six trigonometric functions on 29.03.20
117. Bairstow method on 03.03.20
118. 3 Missing frequencies when Mean or Median or mode are given on 31.01.2020
119. fog(x)=(x+2)/(3x), f(x)=x-2. Find g(x)
120. gof(x)=1/x^2, f(x)=2+x^2. Find g(x).
121. Data envelopment analysis (DEA method) on 05.01.2020
122. Determinants using Sarrus Rule on 23.10.19
123. Determinants using properties of determinants
124. Hyperbolic functions implemented on 26.09.19
125. Five number summary
126. diagonally dominant equation
127. set builder notation (Code improved) on 19.09.19
128. stem and leaf plot
129. Partial Fraction bug solved on 13.09.19
130. PERT and CPM Network diagram (improved) on 26.08.19
130. BCD and Excess 3 Addition and Subtraction using 9's or 10's complement Method on 22.08.19
1. BCD Addition
2. BCD Subtraction using 9's complement
3. BCD Subtraction using 10's complement
4. Excess 3 Addition
5. Excess 3 Subtraction using 9's complement
6. Excess 3 Subtraction using 10's complement
132. Conversion on 22.08.19
1. Decimal To BCD
2. Binary To BCD
3. Octal To BCD
4. Hexadecimal To BCD
5. BCD To Decimal
6. BCD To Binary
7. BCD To Octal
8. BCD To Hexadecimal
9. BCD To Excess 3
10. Decimal To Excess 3
11. Binary To Excess 3
12. Octal To Excess 3
13. Hexadecimal To Excess 3
14. Excess 3 To Decimal
15. Excess 3 To Binary
16. Excess 3 To Octal
17. Excess 3 To Hexadecimal
18. Excess 3 To BCD
19. Decimal To Gray code
20. Binary To Gray code
21. Octal To Gray code
22. Hexadecimal To Gray code
23. Gray code To Decimal
24. Gray code To Binary
25. Gray code To Octal
26. Gray code To Hexadecimal
133. Logarithmic equations 07.08.19
Unitary Method (Chain Rule) 18.07.19
134. If 17 books cost Rs 306, what do 29 books cost?
135. If 5 artical cost Rs 90, the cost of 9 artical is?
136. If 20 persons can do a piece of work in 7 days, then the number of persons required to complete the work in 28 days is?
137. If 5 men working 6 hours a day can reap a field in 20 days, in how many days will 15 men reap the field, working 8 hours a day?
Probability 17.07.19
138. 3 unbiased coins are tossed, What is the probability of getting exactly 2 tails
139. In a throw of two dice, What is the probability getting a total of 10 or 11
140. two card is drawn at random from a pack of 52 cards. What is the probability that the drawn cards are both aces
141. A bag contains 5 blue and 4 black balls. Three balls are drawn at random, what is the probability that 2 are blue and 1 is black?
Age word problems 16.07.19
142. 10 years ago, A was 4 times as old as B. 10 years hence, A will be 2 times as old as B. At present, A's age and B's age is ?
143. The ratio of Meena's age and Kamla's age is 3 : 5 and the sum of Meena's age and Kamla's ages is 80 years. The ratio of their ages after 10 years will be ?
Quadratic equations (Solution by considering m) on 10.07.19
144. `(x^2+1/x^2)-8(x+1/x)+14=0`
145. `4((4x+1)/(4x-1))^(2)+(4x+1)/(4x-1)=3`
146. `12((x)/(x-1))+12((x-1)/(x))=25`
147. Vector Algebra on 08.07.19
1. Addition/Subtraction of two vectors
2. Scalar Multiplication of vectors
3. Dot Product of two vectors
4. Cross Product of two vectors
5. Magnitude(length) of a vector
6. Unit vector
7. Direction cosines of a vector
8. Component form of a vector given two points
9. Angle between two vectors
10. Vector projections of B onto A
11. Orthogonal vectors
12. Collinear vectors
13. Coplanar vectors
14. Scalar triple product
15. Area of triangle determined by two vectors
16. Area of parallelogram determined by two vectors
17. Volume of pyramid determined by vectors
18. Volume of Parallelepiped determined by vectors
19. Decomposition of vector in basis
20. Linearly dependent and linearly independent vectors
148. Normal Distribution Table
149. t Distribution Table
150. Chi square Distribution Table
151. F Distribution Table
152. Binomial Distribution Table
153. F test
154. t-test
155. Standard error
156. Sign test
157. Mann whitney U test
158. Kruskal-wallis test
159. Chi square test
160. Median test
161. Mood's Median test
162. Cholesky decomposition method of a System of linear equations on 06.06.19
163. Covariance - Population Covariance, Sample Covariance for bivariate grouped data on 03.06.19
164. Covariance - Population Covariance, Sample Covariance for bivariate grouped data on 03.06.19
165. LU decomposition method / Crout's method of a System of linear equations on 30.05.19
166. One-way ANOVA on 09.05.19
167. Two-way ANOVA on 09.05.19
168. Power Method for dominant eigenvalue on 28.04.19
169. Partial Fraction on 19.04.19
170. Find roots of non-linear equations using Modified Newton Raphson method (Multivariate Newton Raphson method) on 19.04.19
171. Solve linear equations using Elimination method on 19.04.19
172. Maximize Profit case in transportation problem on 07.04.19
173. Revised Simplex method on 26.03.19
174. Moore-Penrose Pseudoinverse on 22.03.19
175. Geometric mean, Harmonic mean for ungrouped data on 21.03.19
176. Geometric mean, Harmonic mean for grouped data on 21.03.19
177. LQ Decomposition on 20.03.19
178. Muller method on 20.03.19
179. Matrix Algebra on 17.03.19
1. Matrix Algebra with variables
`[[2x,3y],[3x,4z]]`
2. Matrix Algebra with complex numbers
`[[-5i,3i],[4i,5i]]`
3. Matrix Algebra with surds
`[[1/sqrt(2),sqrt(2)],[4,-5]]`
180. PERT and CPM on 10.03.19
1. Network diagram
1. Activity, Predecessors
2. Activity i-j
3. Activity i-j, Name of Activity
2. Critical path, Total float, Free float, Independent float
1. Activity, Predecessors, Duration
2. Activity i-j, Duration
3. Activity i-j, Name of Activity, Duration
3. Project scheduling with uncertain activity times (Optimistic, Most likely, Pessimistic)
1. Activity, Predecessors, to, tm, tp
2. Activity i-j, to, tm, tp
3. Activity i-j, Name of Activity, to, tm, tp
4. Project crashing to solve Time-Cost Trade-Off with fixed Indirect cost
1. Activity, Predecessors, Normal Time & Cost, Crash Time & Cost and Indirect Cost
2. Activity i-j, Normal Time & Cost, Crash Time & Cost and Indirect Cost
3. Activity i-j, Name of Activity, Normal Time & Cost, Crash Time & Cost and Indirect Cost
5. Project crashing to solve Time-Cost Trade-Off with varying Indirect cost
1. Activity, Predecessors, Normal Time & Cost, Crash Time & Cost and varying Indirect Cost
2. Activity i-j, Normal Time & Cost, Crash Time & Cost and varying Indirect Cost
3. Activity i-j, Name of Activity, Normal Time & Cost, Crash Time & Cost and varying Indirect Cost
181. Transportation Problem
1. Heuristic method-1 on 07.01.19
2. Heuristic method-2 on 07.01.19
3. Row minima method on 24.12.18
4. Column minima method on 24.12.18
5. Russell's approximation method on 24.12.18
182. class and their frequency table on 31.12.18
183. less than or more than type cumulative frequency table on 31.12.18
184. Ratio and Proportion on 02.12.18
185. Synthetic division on 12.11.18
186. Singular Value Decomposition (SVD) on 04.11.18
187. All problem solution using search box on 05.10.18
188. Share solution on facebook, twitter with your friends on 17.08.18
189. Matrix Structure on 24.07.18
190. Algorithm, Formulas, Examples added at respective pages on 20.07.18
191. Simplex method Algorithm and examples on 08.07.18
192. Statistical Methods on 30.03.18
1. Permutation & combination
1. Find `n!`
2. Find `(n!)/(m!)`
3. Find `{::}^nP_r`
4. Find `{::}^nC_r`
5. How many words can be formed from the letters of the word daughter?
6. How many ways a committee of players can be formed ?
7. Permutation, Combination List
2. Probability
1. Coin
2. Dice
3. Cards
4. Balls
193. Calculus
1. Trigonometry on 20.03.18
1. Simplifying trigonometric equations, proving identities,
eg. (1) `sin(30)*cos(60)+sin(30)*cos(60)`, (2) `tan(x)+cot(x)`, (3) `tan^2(x)-sin^2(x)`, (4) `csc(x)/cos(x)-cos(x)/sin(x)`
2.1 If `sin(x)=5/13` then Find the value of other five trigonometric functions
2.2 If `sin(x)=3/5` then solve expression `cos(x)csc(x)+tan(x)sec(x)`
2. Derivative on 20.03.18
1. Find Derivative,
eg. (1) `d/(dx)(2x^(3)-2x^(2)-5x+4)`, (2) `d/(dx)(log(x)e^(x))`, (3) `d/(dx)(3cos(sin(x)))`
2. Find maximum and minimum value of `y=x^3+6x^2-15x+7`
194. About us
195. Algebra
1. Functions
2. Set Theory (using builder form)
3. Interval notation and set builder notation
196. Word Problems
1. Age word problems
2. Unitary Method (Chain Rule)
197. Simplex method
1. Branch and Bound method
2. 0-1 Integer programming problem
198. Game Theory
1. Bimatrix method
199. Matrix operations
1. Cholesky Decomposition
2. QR Decomposition (Gram Schmidt Method)
3. QR Decomposition (Householder Method)
200. Solve numerical differential equation using
1. Adams bashforth predictor method
2. Milne's simpson predictor corrector method
201. Coordinate Geometry
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