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Educational Level

Secondary school, High school and College 
Program Purpose

Provide step by step solutions of your problems using online calculators (online solvers)

Problem Source

Your textbook, etc 
1. on 02.12.18
2. on 21.11.18
3. on 21.11.18
4. on 12.11.18
5. on 04.11.18
6. All problem solution using search box on 05.10.18
7. Share solution on facebook, twitter with your friends on 17.08.18
8. on 24.07.18
9. Algorithm, Formulas, Examples added at respective pages on 20.07.18
10. on 08.07.18
11. 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
12. 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 all the 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^215x+7`
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14. Algebra
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15. Word Problems
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16. Simplex method
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17. Game Theory
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18. Matrix operations
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19. Solve numerical differential equation using
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