Home > College Algebra

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. Addition, Subtraction, Multiplication, Division of two numbers
1. Addition, Subtraction, Multiplication, Division of two numbers in Decimal
2. Addition, Subtraction, Multiplication, Division of two numbers in Binary
3. Addition, Subtraction, Multiplication, Division of two numbers in Octal
4. Addition, Subtraction, Multiplication, Division of two numbers in HexaDecimal
5. Addition, Subtraction, Multiplication, Division of two numbers in Other (Eg: Base=6)
2. BCD and Excess 3 Addition and Subtraction using 9's or 10's complement Method
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
3. One Base to Other Base Conversion
1. Decimal to Binary
2. Decimal to Octal
3. Decimal to Hexadecimal
4. Binary to Decimal
5. Binary to Octal
6. Binary to Hexadecimal
7. Octal to Decimal
8. Octal to Binary
9. Octal to Hexadecimal
10. Hexadecimal to Decimal
11. Hexadecimal to Binary
12. Hexadecimal to Octal
13. Decimal to Other
14. Other to Decimal
15. Other to Other




16. Decimal To BCD
17. Binary To BCD
18. Octal To BCD
19. Hexadecimal To BCD
20. BCD To Decimal
21. BCD To Binary
22. BCD To Octal
23. BCD To Hexadecimal
24. BCD To Excess 3
25. Decimal To Excess 3
26. Binary To Excess 3
27. Octal To Excess 3
28. Hexadecimal To Excess 3
29. Excess 3 To Decimal
30. Excess 3 To Binary
31. Excess 3 To Octal
32. Excess 3 To Hexadecimal
33. Excess 3 To BCD
34. Decimal To Gray code
35. Binary To Gray code
36. Octal To Gray code
37. Hexadecimal To Gray code
38. Gray code To Decimal
39. Gray code To Binary
40. Gray code To Octal
41. Gray code To Hexadecimal
4. 1's, 2's, 7's, 8's, 9's, 10's, 15's, 16's complement method
1. 1's complement method
2. 2's complement method
3. 7's complement method
4. 8's complement method
5. 9's complement method
6. 10's complement method
7. 15's complement method
8. 16's complement method
5. 1's, 2's, 7's, 8's, 9's, 10's, 15's, 16's complement subtraction method
1. 1's complement subtraction method
2. 2's complement subtraction method
3. 7's complement subtraction method
4. 8's complement subtraction method
5. 9's complement subtraction method
6. 10's complement subtraction method
7. 15's complement subtraction method
8. 16's complement subtraction method
6. Matrix Algebra
7. Numerical Methods
8. Statistical Methods
9. Operation Research (OR)
10. Truth table
11. Valid or invalid argument
12. Boolean Algebra
13. Karnaugh Map method (Kmap)
14. Quine-McCluskey method
15. Chinese Remainder Theorem
16. Modulo
17. Fast modular exponentiation
18. Fermat's Little Theorem 3^302 mod 5
19. Extended Euclidean Algorithm
20. Euclid's Algorithm
21. Modular multiplicative inverse
22. Fermat's Little Theorem a=3, p=5
23. Restoring Division Algorithm For Unsigned Integer
24. Non-Restoring Division Algorithm For Unsigned Integer
25.1 Missing Digits solver, fill in the blank solver
25.2 Alphametic Puzzles, Algebrograms, Cryptarithms, Cryptograms solver
25.3 Missing Operators solver
26. Run Length Encoding
27. Run Length Decoding
28. Ciphers
1. A1Z26 Cipher (Letter to number Cipher)
2. ADFGVX Cipher
3. ADFGX Cipher
4. Affine Cipher
5. Alberti Cipher
6. Atbash Cipher
7. Autokey Cipher / Autoclave Cipher
8. Bacon Cipher
9. Beaufort Cipher
10. Bifid Cipher
11. Caesar Cipher
12. Chaocipher
13. Columnar transposition Cipher
14. Double Transposition Cipher
15. Enigma machine Cipher
16. Four Square Cipher
17. Gronsfeld Cipher
18. Hill Cipher
19. Kamasutra Cipher | Vatsyayana Cipher
20. Morse Code Translator
21. Multiplicative Cipher | Decimation Cipher
22. Nihilist Cipher
23. Playfair Cipher
24. Polybius Square Cipher
25. Porta Cipher
26. Rail fence Cipher
27. ROT-5 Cipher
28. ROT-13 Cipher
29. ROT-18 Cipher
30. ROT-47 Cipher
31. ROT-N Cipher
32. Running Key Cipher
33. Substitution Cipher
34. Tap code Cipher | Knock code Cipher
35. Three Square Cipher
36. Trifid Cipher
37. Trithemius Cipher
38. Two-square Cipher
39. Vigenere Cipher




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